Intertek Directory of Building Products

WeatherTek Pro, WeatherTek 20, WeatherTek 30, and WeatherTek TM Synthetic Roofing Underlayments Company: WeatherTek Building Products Code Compliance Research Reports: CCRR-0519

WeatherTek Pro is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 1.76 pounds per 100 square feet and is available in rolls 48 inches wide by 250 feet long.

WeatherTek 20 is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 2.1 pounds per 100 square feet and is available in rolls 48 inches wide by 250 feet long.

WeatherTek 30 is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 2.7 pounds per 100 square feet and is available in rolls 48 inches wide by 250 feet long.

WeatherTek TM is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 3.5 pounds per 100 square feet and is available in rolls 48 inches wide by 250 feet long.

FIRE CLASSIFICATION
CLASS A Assemblies
ASSEMBLY NO. E108-RFU-75617-01
Slope:          2:12 (min.)
Deck Type:  Combustible
Details:
  • Minimum nominal 3/8 in. thick code compliant exterior grade plywood
  • Single layer of WeatherTek 20, WeatherTek 30, or WeatherTek TM roofing underlayment mechanically fastened to the plywood every 12 in. oc in the field and 6 in. oc on the perimeter using plastic cap nails.
  • Asphalt shingles Listed per ASTM D3462 with a minimum weight of 190 pounds per 100 square feet installed per manufacturer's installation instructions.
ASSEMBLY NO. E108-RFU-75617-02
Slope:          2:12 (min.)
Deck Type:  Combustible
Details:
  • Minimum nominal 3/8 in. thick AC Grade Fir Plywood
  • Single layer of WeatherTek Pro roofing underlayment mechanically fastened to the plywood every 12 in. oc in the field and on the perimeter using plastic cap nails 1-1/4 in. roofing nails. Horizontal joints have 4 in. overlap.
  • Asphalt shingles Listed per ASTM D3462 with a minimum weight of 180 pounds per 100 square feet installed per manufacturer's installation instructions.

CODE COMPLIANCE RESEARCH REPORT
EVALUATION METHOD BUILDING CODE CCRR NUMBER
ASTM D8257
ICC-ES AC188
2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2023 and 2020 FBC
CCRR-0519

FLORIDA  PRODUCT APPROVAL
Report No. Product Covered    
FL No. 45958 WeatherTek Pro, WeatherTek 20, WeatherTek 30, WeatherTek TM Synthetic Roofing Underlayments
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 ID75617
Design Documents
No Results
Code Compliance Research Reports
Public Documents
No Results