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Product Approval Menu > Application Detail
 
FL # FL37886-R7
Application Type Revision
Code Version 2026
Application Status Approved
 
Comments
Archived
 
Product Manufacturer DuPont de Nemours, Inc.
Address/Phone/Email 1501 Larkin Center Drive
Midland, MI 48674
(812) 212-4429
melissa.s.grant@dupont.com
 
Authorized Signature Melissa Grant
melissa.s.grant@dupont.com
 
Technical Representative
Address/Phone/Email
 
Quality Assurance Representative
Address/Phone/Email
 
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 Robert Nieminen
Florida License PE-59166
Quality Assurance Entity ICC NTA dba ICC-ES
Quality Assurance Contract Expiration Date 12/31/2027
Validated By John W. Knezevich, PE
  Validation Checklist - Hardcopy Received
 
Certificate of Independence FL37886_R7_COI_2024_07_COI_NIEMINEN.pdf
 
Referenced Standard and Year (of Standard)
StandardYear
ASTM D19702021
ASTM D47982011
ASTM D82572020
FRSA/TRI 7th Edition2023
TAS 1032020
UL18972023
 
Equivalence of Product Standards
Certified By

 
Sections from the Code
 
 
 
Product Approval Method Method 1 Option D
 
Date Submitted 08/18/2026
Date Validated 08/19/2026
Date Pending FBC Approval 08/27/2026
Date Approved 10/13/2026
 
Summary of Products
FL # Model, Number or Name Description
37886.1 Tyvek Synthetic Roof Underlayments (HVHZ) Synthetic roof underlayments for use in FBC HVHZ jurisdictions.
Limits of Use
 Approved for use in HVHZ: Yes
 Approved for use outside HVHZ: No
 Impact Resistant: N/A
 Design Pressure: +N/A/-142.5
 Other: 1.) The design pressure in this application relates to one underlayment system per TAS 103. Refer to PEER Section 5.8 for other systems and associated maximum design pressures. 2.) Refer to PEER Section 5 for other limits of use.
Installation Instructions
 FL37886_R7_II_2026_08_17_FINAL_PEER-DDN-001.B.R5_HVHZ_FL37886-R7.pdf
 Verified By: Robert Nieminen PE-59166
 Created by Independent Third Party: Yes
Evaluation Reports
 FL37886_R7_AE_2026_08_17_FINAL_PEER-DDN-001.B.R5_HVHZ_FL37886-R7.pdf
 Created by Independent Third Party: Yes
37886.2 Tyvek Synthetic Roof Underlayments (NON-HVHZ) Synthetic roof underlayments for use in FBC non-HVHZ jurisdictions.
Limits of Use
 Approved for use in HVHZ: No
 Approved for use outside HVHZ: Yes
 Impact Resistant: N/A
 Design Pressure: +N/A/-142.5
 Other: 1.) The design pressure in this application relates to one underlayment system per FBC 1504.2.1.4. Refer to PEER Section 5.8 for other systems and associated maximum design pressures. 2.) Refer to PEER Section 5 for other limits of use.
Installation Instructions
 FL37886_R7_II_2026_08_17_FINAL_PEER-DDN-001.A.R6_NON-HVHZ_FL37886-R7.pdf
 Verified By: Robert Nieminen PE-59166
 Created by Independent Third Party: Yes
Evaluation Reports
 FL37886_R7_AE_2026_08_17_FINAL_PEER-DDN-001.A.R6_NON-HVHZ_FL37886-R7.pdf
 Created by Independent Third Party: Yes
 
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