Intertek Directory of Building Products

Malarkey Roofing - Secure Start™ Lite and Secure Start™ Permeable Synthetic Roofing Underlayments Company: Malarkey Roofing Products Code Compliance Research Reports: CCRR-0537

Secure Start™ Lite is a 7-mil thick mechanically attached synthetic roofing underlayment composed of a polypropylene woven scrim laminated with a polypropylene non-woven layer on the exposed side and a polyolefin coating layer on the sheathing side. The underlayment is available in custom colours and supplied in rolls measuring 48 inches wide by 250 feet long and 60 inches wide by 200 feet long.

Secure Start™ Permeable  is a 26-mil thick mechanically attached synthetic roofing underlayment composed of a polypropylene non-woven on the exposed side, an extruded polymeric layer in between and a polypropylene non-woven layer on the sheathing side. The underlayment is available in custom colours and supplied in rolls measuring 48 inches wide by 250 feet long and 60 inches wide by 200 feet long.

PHYSICAL RATINGS
PRODUCT TEST METHOD TEST PROCEDURE RESULTS
Secure Start™ Lite and Secure Start™ Permeable ASTM D226 Unroll-ability Meets Type II
Breaking Strength Meets Type II
Pliability Meets Type II
Loss on Heating Meets Type II
CSA A123.3 Unroll-ability Meets Type 3
Breaking Strength Meets Type 3
Pliability Meets Type 3
Loss on Heating Meets Type 3
Liquid Water Transmission Meets Type 3
ASTM D4869 Unroll-ability Meets Type IV
Breaking Strength Meets Type IV
Pliability Meets Type IV
Loss on Heating Meets Type IV
Liquid Water Transmission Meets Type IV
Tear Strength Meets Type IV
Dimensional Stability Meets Type IV
CAN/CSA A220 All test procedures applicable to underlayments for use in areas having 3500 degree days or less below 18 degrees Meets Standard Requirements

FIRE CLASSIFICATION
Class A Assemblies
Assembly No. E108-RFU-78025
Slope:          2:12 or greater
Deck Type:  Combustible
Details:
  • Minimum nominal 15/32” thick Code Compliant exterior grade plywood
  • A single layer of Secure Start™ Lite or Secure Start™ Permeable roofing underlayment mechanically fastened to the plywood sheathing every 12 inch oc in the field and 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

CODE COMPLIANCE RESEARCH REPORT
Products Evaluation Method Building Code CCRR Number
Secure Start™ Lite and Secure Start™ Permeable Synthetic Underlayments ICC-ES AC188
ASTM D8257
ASTM E108
UL 790		 2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2024 IWUIC
2023 FBC
2025, 2022 CBC
2025, 2022 CRC
2025 CWUIC
2023 LABC
2023 LARC		 CCRR-0537

 Secure Start™ Lite and Secure Start™ Permeable Synthetic Underlayments are also under Intertek’s follow-up inspections for the following product approval program:
Product Product Approval No.
Secure Start™ Lite and Secure Start™ Permeable Synthetic Underlayments FL# 23186
Listing Report Return to Search
Attributes
CriteriaCAN / CSA A220 Series-06 (R2012)
CriteriaICC-ES AC188 (2015)
CriteriaUL 790 (2004) Ed. 8 (R2018)
CriteriaASTM D8257/D8257M (2022)
CriteriaASTM E108 (2020a)
CSI Code07 30 05 Roofing Felt and Underlayment
Listing SectionROOFING MATERIALS
Spec ID78025
Design Documents
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Code Compliance Research Reports
Public Documents
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