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Product Approval Menu > Application Detail
FL # FL40958
Application Type New
Code Version 2020
Application Status Approved
Product Manufacturer Kirsch Buiding Products
Address/Phone/Email 1464 Madera Road
Suite 387
Simi Valley, CA 93065
(877) 742-7507
Authorized Signature James Buckner
Technical Representative
Quality Assurance Representative
Category Roofing
Subcategory Underlayments
Compliance Method Evaluation Report from a Florida Registered Architect or a Licensed Florida Professional Engineer
Evaluation Report - Hardcopy Received
Florida Engineer or Architect Name who developed the Evaluation Report James L. Buckner, P.E. @ CBUCK Engineering
Florida License PE-31242
Quality Assurance Entity Intertek Testing Services NA, Inc. - QA Entity
Quality Assurance Contract Expiration Date 12/31/2023
Validated By Steven M. Urich, PE
  Validation Checklist - Hardcopy Received
Certificate of Independence FL40958_R0_COI_CertOfIndep.pdf
Referenced Standard and Year (of Standard)
ASTM D 45332015
ASTM D 50352019
ASTM D19702015
ASTM D2262009
FM 44742011
TAS 1031995
Equivalence of Product Standards
Certified By

Sections from the Code
Product Approval Method Method 1 Option D
Date Submitted 02/14/2022
Date Validated 03/02/2022
Date Pending FBC Approval 03/03/2022
Date Approved 04/13/2022
Summary of Products
FL # Model, Number or Name Description
40958.1 Sharkskin Underlayments Multilayer Underlayment Systems
Limits of Use
 Approved for use in HVHZ: No
 Approved for use outside HVHZ: Yes
 Impact Resistant: N/A
 Design Pressure: +See/-Table5
 Other: Installation shall be in accordance with the attached installation method and in compliance with applicable code sections of the FBC 7th Edition (2020) and FRSA/TRI Florida High Wind Concrete and Clay Roof Tile Installation Manual, Sixth Edition subject to the Limitations and Conditions of Use listed in this Evaluation Report.
Installation Instructions
 Verified By: James L. Buckner, P.E. P.E. #31242
 Created by Independent Third Party: Yes
Evaluation Reports
 Created by Independent Third Party: Yes
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