2018 International Residential Code – Fire safety
Fire TAC 
IRC-B Code Change No.	IRC-B
Section 	Change Summary b/t 2015 IRC-B and 2018 IRC-B	Change Summary b/t 2017 FRC-B and 2018 IRC-B	Staff comments	
RB2-16	R202, M1305.1, M1407.4, M1503.4, M1601.1.2, M1601.4.1, M1803.3.5, M1803.4.3, M2204.2,
M2301.2.1, R1001.2.1, R1003.9.2, R202, R202 (New), R301.5, R302.7, R308.4.3, R308.4.6, R308.6.2,
R308.6.5, R310.5, R311.3, R807.1	Deletes definitions “ACCESSIBLE”, “ACCESSIBLE”. Adds definitions “READILY”, “ACCESS (TO)”, “READY ACESS (TO)”. Modifies Definitions “CLEANOUT”, “FIXTURE FITTING”. Modifies text of Table R301.5 “MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS”. 

Modifies text of Section R302.7 “Under-stair protection”, R308.4.3 “Glazing in windows”, R308.4.6 “Glazing adjacent to stairs and ramps”, R308.6.2 “Materials.” R308.6.5 “Screens not required”, R310.5 “Dwelling additions”, R311.3 “Floors and landings at exterior doors”, R807.1 “Attic access”, R1001.2.1 “Ash dump cleanout”, R1003.9.2 “Spark arrestors”, M1305.1 “Appliance access for inspection service, repair and replacement”, M1407.4 “Access”, M1503.4 “Makeup air required”, M1601.1.2 “Underground duct systems”, M1601.4.1 “Joints, seams and connections”, M1803.3.5 “Access,” M1803.4.3 “Connection to masonry fireplace flue,” M2204.2 “Shutoff valves”, M2301.2.1 “Access”.

The intent of this proposal is for clarification of terminology. This proposal will clarify where the provisions are for access
for repair, not accessibility for persons with disabilities. This clarifies the code by separating something that is accessible from something that is accessed. 

Cost Impact: Will not increase the cost of construction. This is a clarification of terminology that will have no change on code requirements.	

Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB29-16	R302.1	Modifies text of TABLE R302.1 (1) “EXTERIOR WALLS”. TABLE R302.1 (2) “EXTERIOR WALLS—DWELLINGS WITH FIRE SPRINKLERS”.  The proposal will bring the IRC and the IBC into agreement. Currently, the IBC provides fire rating options of exterior wall while the IRC has only one method of compliance.  The code change was further modified by the Committee.  The proposal offers a good solution for projections.

Cost Impact: Will not increase the cost of construction. The IBC in Section 705.2.3 permits the use of Type IV heavy timber construction, fire-retardant-treated wood or 1-hr fire-resistance construction for combustible projections. The IRC in Table R302.1(1) and Table R302.1(2) only permits the 1-hr fire-resistance construction on the underside. Proposal to address this.
	This change is not similar to that of the FRC. The FRC provides for fire separation provisions as mandated by Florida Statutes	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB30-16	R302.1	Modifies text of TABLE R302.1 (1) “EXTERIOR WALLS”, TABLE R302.1 (2) “EXTERIOR WALLS—DWELLINGS WITH FIRE SPRINKLERS”. Removes reference to roof eave from table, modifies text to reference eave overhang.   The code change was further modified by the Committee. This proposal clarifies the distinctions between eaves and rakes. 

Cost Impact: Will not increase the cost of construction.
The requirement to add fireblocking already exists, this proposal clarifies the installation.
	This change is not similar to that of the FRC. The FRC provides for fire separation provisions as mandated by Florida Statutes	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB32-16	R302.1, R302.2, R302.3	Modifies text of TABLE R302.1 (1) “EXTERIOR WALLS”, TABLE R302.1 (2) “EXTERIOR WALLS—DWELLINGS WITH FIRE SPRINKLERS”. Modifies text of Section R302.2 “Townhouses”, R302.3 “Two-family dwellings”. The IRC only permits ASTM E119 or UL 263 fire-resistance rated assemblies as written. However, Chapter 7 of the IBC has prescriptive and calculated fire assemblies that have been successfully used over the years to provide fire-resistant rated construction.  Proposal to address this.  The code change was further modified by the Committee.  The modification provides assistance to the building official and the builder. The  reference to the International Building Code clarifies that this option exists in the International Residential Code and gives the builder more options for
compliance.

Cost Impact: Will not increase the cost of construction. This proposal will allow more prescriptive assemblies which typically are less costly than proprietary assemblies. Therefore, this change will reduce the cost of construction.
	This change is not similar to that of the FRC. The FRC provides for fire separation provisions as mandated by Florida Statutes and provides for Florida specific change to R302.2	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB33-16	R302.1	Modifies text of TABLE R302.1 (2) “EXTERIOR WALLS—DWELLINGS WITH FIRE SPRINKLERS”. This is an editorial change to text of footnote a. 

Cost Impact: Will not increase the cost of construction.
Editorial	This change is not similar to that of the FRC. The FRC provides for fire separation provisions as mandated by Florida Statutes	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB37-16	R302.1	Modifies text of Section R302.1 “Exterior walls.  The change replace the term “dwellings” with “individual dwelling units.”  The current language could be misinterpreted to allow the placement of structures accessory to other dwelling units adjacent to another unit without regard to fire separation distances.

Cost Impact: Will not increase the cost of construction.
This proposal is to provide clarity to an existing code section. No additional cost is associated with this proposal.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB44-16	R302.2, R302.2 (New), R302.2.1 (New), R302.2.4	Modifies text of Section R302.2.2 “Common Walls” and R302.2.4 “Structural independence.” Adds new text R302.2 “Townhouses”. R302.2.1 “Double Walls”.  When Section 302.2 was changed between the 2012 and 2015 editions of the IRC, we lost the option of constructing two one-hour fire-resistant rated walls that have always been permitted in the IRC. Proposed this language to reinstate that option.  The code change was further modified by the Committee. The modification adds another option and clarifies. Double exterior walls have been used for thirty or forty years, they work, and you can put plumbing in them. 

Cost Impact: Will not increase the cost of construction. This is just another option to providing the separation between townhouses. It may actually reduce the cost of construction in some cases.
	This change is not similar to that of the FRC. The FRC provides for Florida specific changes to these sections	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
R45-16	R302.2.2	Modifies text of Section R302.2.2 “Parapets for townhouses”. This proposal clarifies the code. There are code sections that regulate fire-retardant-treated wood. There is no need to use the word "approved".

Cost Impact: Will not increase the cost of construction.
This is an editorial revision and will have no impact on construction costs.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB54-16	R302.4.2	Modifies text of Section R302.4.2 “Membrane penetrations”. This proposal is intended to bring consistency between the International Residential Code and the International Building
Code. The proposal adds an additional exception which recognizes the listings of recessed incandescent and fluorescent can lights, or enclosure materials which protect recessed can lights or troffer light fixtures, which have been tested as a ceiling membrane penetration of fire-resistance-rated horizontal assemblies.

Cost Impact: Will not increase the cost of construction. This code change proposal will not increase the cost of construction. These products are already in use within the construction industry.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB58-16	R302.5, R302.5.1	Modifies text of Section R302.5 Dwelling-garage opening and penetration protection and R302.5.1 Opening protection. The purpose of this modification is to provide an option to use an automatic-closing device that is activated by smoke
detection or heat detection on a door opening between the garage and the residence.  This code change was further modified by the Committee. The modification clarifies whether this could be interpreted as requiring some type of system. The proposal allows the door to remain open and still address fire safety by means of a self-closer. 

Cost Impact: Will not increase the cost of construction.

This proposal will not increase the cost of construction because the net effect is to offer additional methods of compliance for an existing requirement.
	This change is not similar to that of the FRC. The FRC provides for Florida specific changes to these sections as per Florida statutes	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB62-16	R302.10.1	Modifies text of Section R302.10.1 “Insulation.” This proposal provides a testing of the product assembly as it was intended to be used and makes that clear.

Cost Impact: Will not increase the cost of construction.
Change is primarily editorial.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB68-16	R302.13	Modifies text of Section R302.13 “Fire protection of floors”.  The modification addresses all fuel equipment, which is appropriate. The proposal provides complete exceptions and addresses all fuel-fired equipment.  The code change was further modified by the Committee.  The modification addresses all fuel equipment, which is appropriate. The proposal provides complete exceptions and addresses all fuel-fired equipment.  Also, it was modified by public comment limiting the restriction to heating appliances, to include all fuel-fired and electric furnaces and water heaters, is appropriate.

Cost Impact: Will not increase the cost of construction. 
This proposal will reduce the cost of construction by removing a requirement from the code for certain installations.	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB79-16	R308.4.2	Modifies text of Section R308.4.2 “Glazing adjacent to doors”. The way that the section is written, it only applies to glass that is within the same plane as the door and perpendicular
to plane of the door. The change proposed by the public comment will clarify that only if the window is in a position where a person can get pushed against the window by a door, will safety glazing be required.

Cost Impact: Will not increase the cost of construction.
This proposal is a clarification and therefore would not change the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB81-16	R308.4.4.1(New)	Adds new Section R308.4.4.1 “Structural glass baluster panels”. This proposal will clarify and align the IRC and IBC requirements for glass panels that are used as a structural component in a guard.

Cost Impact: Will not increase the cost of construction. This change creates consistency with the IBC for glass guards only and allows for more safety and flexibility in design. There
should be no increase in the cost.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB82-16	R308.4.7	Modified Figure R308.4.7 “HAZARDOUS GLAZING LOCATIONS AT BOTTOM STAIR LANDINGS”. This proposal is intended to provide information on the figure with two callouts that describe the meaning of the figure, consistent with the text of Section R308.4.7. In addition, as figure titles are not enforceable, an editorial change is proposed to the title of the figure to more accurately reflect the meaning. This proposal cleans up the code and makes it more understandable. By labeling the stairs and landing, the
modification further clarifies the intent of the code.  

Cost Impact: Will not increase the cost of construction.
This proposal will not increase the cost of construction as it proposes to revise the figure to align with the existing text requirements of the code.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB89-16	R310.1	Modifies text of Section R310.1 “Emergency escape and rescue opening required”.  Provides an exception to R310.1.  Per reasoning, the proposal may provide incentives to install automatic sprinkler systems in residential dwellings.

Cost Impact: Will not increase the cost of construction. The proposal adds an option to the code. There is no requirement to utilize this option; however, if it is used, the cost of construction may decrease.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB96-16	R310.3, R310.3.2, R310.3.2.1, R310.3.2.1 (New), R310.4	Modifies text of Section R310.3 “Emergency escape and rescue doors”, R310.3.2 “Area Wells”, R310.3.2.2 “Drainage”, R310.4 “Bars, grilles, covers and screens”. Adds new section R310.3.2.1 “Ladder and steps”. The purpose of this change is to clarify the intent of the code and remove the reference to the bulkhead enclosure. The term is replaced it with area well.  The code change was further modified by public comment to remove 'bulhead enclosure' from the section to make it more sensible and to add the language 'area well' to the section as well to coordinate with the revised section that was approved. The purpose of this modification is to just correlate the two sections.

Cost Impact: Will not increase the cost of construction. This change will actually reduce the cost of construction since the actual enclosure over the bulkhead would not be required.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB101-16	R311.7.1, R311.7.8.2 (New)	Modifies text of Section R311.7.1 “Width”. Adds new section R311.7.8.2 “Handrail Projection”.  The requirement for handrail projection currently included under R311.7.1, Width, is often
overlooked. Moving the requirement to the handrail section of the code will provide for better understanding and compliance without changing the requirements for stair width. New section - Handrail Projection: This new section provides the needed information related to handrail projection within the handrail section to enable: clear recognition of the requirement, compliant design of handrails and improved enforcement of the code.

Cost Impact: Will not increase the cost of construction. This proposal will not impact construction cost. In some cases it will allow the application of the required handrail on either side of
the stair. This choice can be a cost advantage.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB103-16	R311.7.3	Modifies text of Section R311.7.3 “Vertical rise”. The proposal and the modification offer greater flexibility regarding stairway heights by allowing a vertical rise up to 151 inches.  The code change was further modified by the Committee.  The proposal and the modification offer greater flexibility regarding stairway heights.

Cost Impact: Will not increase the cost of construction.
This would most likely reduce construction costs, by not requiring a landing to be incorporated into the stair design, and reducing the footprint of the stairway.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB104-16	R311.7.4	Modifies text of Section R311.7.4 “Walkline”. This proposal provides needed clarification of the code for compliant design, construction and enforcement of winder and landing regulations that reference the walkline. Landings have been added because R311.7.6 Landings for stairways regulates landing "depth at the walkline" however R311.7.4 Walkline only references winders.

Cost Impact: Will not increase the cost of construction.
This change will not affect the cost of construction because it does not add any material or labor but only provides needed
clarification for design, construction, and enforcement.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB105-16	R311.7.5.3	Modifies text of Section R311.7.5.3 “Nosings”. This change clearly describes and emphasizes the intent of the requirement to provide consistent nosings and nosing projections at every walking surface throughout the stairway

Cost Impact: Will not increase the cost of construction.
This change does not affect the cost of construction but only clarifies without changing the existing requirement.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB107-16	R311.7.8	Modifies text of Section R311.7.8 “Handrails”. The deleted phrase "continuous run of treads" predates the code definition of the term "flight", and is redundant.

Cost Impact: Will not increase the cost of construction.
This change only clarifies the code language, makes no change to the requirement and therefore does not affect the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB108-16	R311.7.8.2, R311.7.8.2 (New)	Adds new section R311.7.8.2 “Handrail Clearance”. Modifies text of Section R311.7.8.3 “Continuity”. The term stairway is defined to include flights and landings however handrails are only required at flights of stairs and ramps. The words "for stairways" have been deleted to clarify R311.7.8.3.  The modification clears up a misconception. This proposal clarifies the code and allows a means for continuity to be looked at differently so that handrails can be interrupted or stopped at a flight or newel post.  The code change was further modified by the Committee.  The modification clears up a misconception. This proposal clarifies the code and allows a means for continuity to be looked at differently so that handrails can be interrupted or stopped at a flight or newel post.

Cost Impact: Will not increase the cost of construction.
This proposal only moves the unchanged text to a new section and therefore does not affect the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB110-16	R312.1.2	Modifies text of Section R312.1.2 “Height”. Nosing is a defined term in both the IRC and IBC and is the term recognized and used throughout the trade.  Proposal is to replace text with term nosing.

Cost Impact: Will not increase the cost of construction.
This proposal corrects and clarifies but does not change the required resources to comply. It will not affect the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB112-16	R312.1.2	Adds exception to section R311.7.11 “Alternating tread devices” and R311.7.12 “Ships ladders”. Code change would provide a way to access a small loft area. The proposal includes an exclusion for kitchens and bathrooms where the only access is via the alternating tread device or ships ladder.

Cost Impact: Will not increase the cost of construction. If this code change is approved it will lower the cost of construction and save space within the dwelling unit.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB117-16	R312.1.1	Modifies text of Section R312.1.1 “Where required”. This clarifies that a guard is only required in those portions where the vertical height above the adjacent floor or grade is greater than 30-inches

Cost Impact: Will not increase the cost of construction.
This is an editorial revision that should have no impact on costs.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB131-16	R314.1	Modifies text of Section R314.4 “Interconnection”. With the inclusion of wireless alarms in the IRC, there is little justification on not providing the added life and safety benefits offered by interconnection.

Cost Impact: Will increase the cost of construction. By eliminating the exception, wireless alarms would be required in those locations where hardwired inter-connectivity would not
have occurred. This would result in a negligible increase in cost resulting in a huge life safety benefit.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB132-16	R314.2.2	Modifies text of Section R314.2.2 “Alterations, repairs and additions”. This code change makes minor modifications to unnecessary language that currently exists in this code section. Adding or creating a sleeping room would require a permit, which makes the second part of the first sentence redundant.

Cost Impact: Will not increase the cost of construction.
This code change deletes unnecessary language.	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB139-16	R315.2.2	Modifies text of Section R315.2.2 “Alterations, repairs and additions”.  This code change makes minor modifications to unnecessary language that currently exists in this code section. Adding or creating a sleeping room would require a permit, which makes the second part of the first sentence redundant.

Cost Impact: Will not increase the cost of construction.
This code change deletes unnecessary language.
	This change is not similar to that of the FRC. The FRC provides for Florida specific changes to this section as per Florida statutes with regard to Carbon Monoxide Alarms 	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB144-16	R315.5	Adds Section R315.5 “Interconnectivity”.  This code language is added to require interconnectivity of carbon monoxide alarms in a manner similar to the smoke alarm requirements

Cost Impact: Will increase the cost of construction. Interconnectivity of the Carbon Monoxide Alarms will increase the cost of construction.
	This change is not similar to that of the FRC. The FRC provides for Florida specific changes to this section as per Florida Statutes with regard to Carbon Monoxide Alarms	Overlapping provision to be considered during step 2 of the code change process  

RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB146-16	R316.3	Modifies text of Section R316.3 “Surface burning characteristics”. This proposal is editorial in nature and is intended to clarify that foam plastic used in applications other than as a component in manufactured assemblies does require a flame spread index of not more than 75 and a smoke-developed index of not more than 450 when tested in the maximum thickness and density intended for use in accordance with ASTM E84 or UL 723.

Cost Impact: Will not increase the cost of construction.
The change is editorial in nature and aligns with what most code officials are already requiring.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB150-16	R316.5.4	Modifies text of Section R316.5.4 “Crawl spaces”. Adds item where thermal barrier specified in Section R316.4. is not required.  “One/four (1 /4)-inch (6.4 mm) fiber-cement panel, soffit or backer board.”

Cost Impact: Will not increase the cost of construction. The cost figures below were extracted on January 14th, 2015 from Home Depot's website for Store Number 1013. Zinc-Plated 26-Gauge Sheet Metal is priced at $3.62 per square foot of coverage. (as reference in the 2015 IRC Section R316.5.4 subsection 3.6) 1/4-inch thick fiber-cement backer board is priced at $0.76 per square foot of coverage. Installation labor for each of these materials is approximately the same. Both of these materials are attached with self-tapping or self-drilling screws. Each product can be cut to size using common hand or power tools sourced from local hardware stores. When cutting fiber-cement panels a scoring knife, razor knife, power shears or saw are commonly used. In the case of sheet metal tin snips, power nibblers, or saw are commonly used. Therefore, since the material cost for ¼-inch thick fiber-cement is significantly lower than the already accepted method using 26 gauge corrosion resistant steel and the comparative installation labor sheet metal versus fiber-cement panel is not expected to be substantially different, the cost of this code change will not increase the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB154-16	R317.1, R402.1.2, R504.3, R905.8.5	Modifies text of Section R317.1 “Location required”, R402.1.2 “Wood treatment”, R504.3 “Materials”. Modifies Table R905.8.5. “Wood Shake Material Requirements.” The existing text was outdated, requiring clarification and updates to current AWPA section numbering and new standard.

Cost Impact: Will not increase the cost of construction.
These changes merely clarify and update the existing text without any impact on the required specifications for materials used.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	

RB164-16	
R324.3, R324.3.1, R324.4, R324.4.1, R324.5, R324.5.1, R324.5.2 (New), R907, R907.1,
R907.2, R907.3, R907.4, R907.5, R909, R909.1, R909.2, R909.3	Modifies Sections R324.3 “Photovoltaic systems”, R324.3.1 “Equipment listings”, R324.4 “Rooftop-mounted photovoltaic systems”, R324.4.1 “Structural requirements”, R324.4.1.1 “Roof live load”, R324.4.1.2 “Wind resistance”, R324.4.2 “Fire classification”, R324.4.3 “Roof penetrations”, R324.5 “Building-integrated photovoltaic systems”, R324.5.1 “Photovoltaic shingles”, Section R907 “ROOFTOP-MOUNTED PHOTOVOLTAIC PANEL SYSTEMS”. Adds new Section R324.5.2 “Fire classification”. 

Deletes Section R907.4 “Installation”, R907.5 “Photovoltaic panels and modules”, SECTION R909 “ROOFTOP-MOUNTED PHOTOVOLTAIC PANEL SYSTEMS”.

Proposal RM98-13 established R324, which was intended to consolidate and organize all the requirements, with
necessary section revisions and section additions, in an easily-used format that assists the user to find all the applicable requirements – fire, electrical, structural, plumbing, and mechanical – related to solar thermal and photovoltaic systems. The intent of this proposal is to address redundant code requirements and consolidate/reorganize requirements that were also included in Chapter 9 during the last code cycle. These changes will help to address any confusion regarding the installation of photovoltaic systems.

Cost Impact: Will not increase the cost of construction. The proposal clarifies the applicable requirements for photovoltaic systems.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB166-16	R202, R325.1, R325.6 (New)	Modifies definition “[RB] ATTIC, HABITABLE”. Modifies text of Section R325.1 “General”. Adds new Section 325.6 “Habitable attic”.  The definition of habitable attic is revised to shorten it and remove technical criteria which should be located in the body of the code. The criteria removed from the definition in R202 are relocated in a new section, R325.6, addressing Habitable Attics.

Cost Impact: Will not increase the cost of construction.
This proposal will not increase the cost of construction as it clarifies the limitations on the area of an attic as it relates to the floor
below.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB167-16	R325.3	Adds exception to Section R325.3 “Area limitation”. The rationale for that proposal was to provide design flexibility without impacting safety. The exception trades the ability to enclose the mezzanine for a slight increase in floor area.

Cost Impact: Will not increase the cost of construction. This proposal has potential to reduce the cost of construction by allowing larger mezzanines in dwellings.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB168-16	R202 (New), R327 (New), R327.1 (New)	Adds new Appendix V “Tiny Houses”. Per the committee, Small houses are a growing concern, the demand for them is increasing, the IRC needs to address them in some fashion. Public comment submits Appendix V.

Cost Impact: Will not increase the cost of construction.
This proposal will not increase the cost of construction as it will provide direction and relief from current codes for small houses.
	Same as change between 2015 IRC-B and 2018 IRC-B	Appendix V Tiny Houses	
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB171-16	R201 (New), R327.1 (New), R327.2 (New), R327.3 (New), R327.4 (New), R327.5 (New),
R327.6 (New)	Adds definition “BATTERY SYSTEM, STATIONARY STORAGE.” Adds new Section R327 “STATIONARY STORAGE BATTERY SYSTEMS”. Adds new standard “A review of the standard(s) proposed for inclusion in the code, UL 9470-2014, Outline of Investigation for Energy Storage Systems and Equipment.” 

An increased number of electrical energy storage systems (ESS) utilizing stationary storage batteries are appearing on the market to help meet the energy needs of society. This proposal does not mandate that ESS or stationary battery storage systems be provided, but includes basic safety requirements that should be applied if such systems are provided.  The code change was further modified by the Committee.  The modification limits the application to areas other than habitable spaces in dwelling units. This technology
already exists and we need something to move it forward in a safe way.

Cost Impact: Will increase the cost of construction.
Any cost increases for code compliant installations will be minimal, provide the equipment is installed per NFPA 70 which will require an inverter and other code mandated criteria. Listed ESS units are currently available and the proposal allows for non- listed ESS installations also.
	Same as change between 2015 IRC-B and 2018 IRC-B		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB369-16	AS107.1 	Modifies text of Section AS107.1 “Fire-resistance rating”. Editorial proposal. The correct terminology is to address fire resistance rating.

Cost Impact: Will not increase the cost of construction.
	Same as change between 2015 IRC-B and 2018 IRC-B

Appendix S	Assign to the Fire TAC	
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions     	

	

	

	

	
RB370-16	AS107.1.1, AS107.1.2	Modifies text of Section AS107.1.1 “One-hour rated clay plastered wall” and AS107.1.2 “Two-hour rated cement plastered wall”. This proposal clarifies the requirements of the code.

Cost Impact: Will increase the cost of construction. This proposal may increase the cost of construction if a user intended to build a 1-hour or 2-hour rated wall with bales of a density less than 7.5 pcf
	Same as change between 2015 IRC-B and 2018 IRC-B

Appendix S		
RCCIWG – Comment

Impactful (Explain) 

	TAC Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):	Commission Action

Accommodate Florida Specific Need:
YES (Select Criteria)                                   NO: 

 

a.  b.  c.      d.  e.  f. 

Others (Explain):		
TAC	
Commission	

    No Action Needed	

	

	

 Overlapping provisions