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DuPont de Nemours, Inc. - Roofing Underlayments Company: DuPont de Nemours, Inc. Code Compliance Research Reports: CCRR-0394

DuPont™ Roof Protector™ is a mechanically attached synthetic underlayment comprised of a cross-woven polymeric base scrim laminated onto a non-woven scrim and a polymer coating on the back side. The underlayment has a nominal weight of 2.25 lbs per 100 square feet, and it is available in rolls measuring 48 inches wide by 250 feet long. Custom size of the rolls is also available.

DuPont™ Tyvek Protec™ 120 Underlayment is a mechanically attached synthetic underlayment comprised of a cross-woven polymeric base scrim laminated onto a textured embossed non-woven scrim and a polymer coating on the back side. The underlayment has a nominal weight of 2.25 lbs. per 100 square feet, and it is available in rolls measuring 48 inches wide by 250 feet long. Custom size of the rolls is also available.

DuPont™ Tyvek Protec™ 160 Underlayment is a mechanically attached synthetic underlayment comprised of a cross-woven polymeric base scrim laminated onto a textured embossed non-woven scrim and a polymer coating on the back side. The underlayment has a nominal weight of 3.27 lbs. per 100 square feet, and it is available in rolls measuring 48 inches wide by 250 feet long. Custom size of the rolls is also available.

DuPont™ Tyvek Protec™ 200 Underlayment is a mechanically attached synthetic underlayment comprised of a cross-woven polymeric base scrim laminated onto a textured embossed non-woven scrim and a polymer coating on the back side. The underlayment has a nominal weight of 3.58 lbs. per 100 square feet, and it is available in rolls measuring 48 inches wide by 250 feet long. Custom size of the rolls is also available.


FIRE CLASSIFICATION 
Class A
Assembly No. E108-RFU-58802
Slope 2:12 (Minimum)
Deck Type Combustible 
Details
  • Minimum nominal 3/8 in. thick Code Compliant exterior grade plywood
  • A single layer of DuPont™ Roof Protector™, DuPont™ Tyvek Protec™ 120, 160 or 200 underlayment mechanically fastened to the plywood every 18" oc using T50 staples 
  • Asphalt shingles Listed per ASTM D3462 with a minimum weight of 190 pounds per 100 square feet installed per manufacturer's installation instructions 

CODE COMPLIANCE RESEARCH REPORT 
Evaluation Method Building Codes CCRR Number
ASTM D8257
ICC-ES AC188
2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2023 and 2020 FBC
CCRR-0394
Listing Report Return to Search
Attributes
CriteriaASTM E108 (2017)
CriteriaICC-ES AC188 (2015)
CriteriaASTM D8257/D8257M (2022)
CSI Code07 30 05 Roofing Felt and Underlayment
Listing SectionROOFING MATERIALS
Spec ID58802
Design Documents
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Code Compliance Research Reports
Public Documents
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