Secure Start™ SG is a mechanically attached synthetic underlayment comprised of a cross-woven polymeric base scrim laminated onto a non-woven scrim or textured embossed non-woven scrim and a polymer coating on the back side. The underlayment has a nominal weight of 2.25 pounds per 100 square feet, and it is available in rolls 48 inches wide by 250 feet long. Custom size of the rolls is also available.
Secure Start™ Plus 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 pounds per 100 square feet, and it is available in rolls 48 inches wide by 250 feet long. Custom size of the rolls is also available.
406 Secure Start HT is a self-adhered roofing underlayment comprised of a polymeric facer layer and a polymer modified bitumen, and a release liner. The product has a nominal thickness of 60 mils and is available standard roll size of 36 in. wide by 67 ft. long. Custom lengths and widths of the rolls are available.
FIRE CLASSIFICATION
Class A Assemblies
| Assembly No. |
E108-RFU-43438 |
Slope:
Deck Type:
Details: |
2:12 or greater
Combustible
- Minimum nominal 3/8” thick Code Compliant exterior grade plywood
- A single layer of Secure Start™ SG or Secure Start™ Plus underlayment mechanically fastened to the plywood sheathing every 12” 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 instruction
|
CODE COMPLIANCE RESEARCH REPORT
| Product |
Evaluation Method |
Building Code |
CCRR No. |
| Secure Start™ SG or Secure Start™ Plus underlayment |
ASTM D8257
ICC-ES AC188 |
2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2023 FBC |
CCRR-1082 |
| 406 Secure Start HT |
ASTM D1970 as set forth in ICC-ES AC48
ICC-ES AC188 |
Secure Start™ SG and SecureStart™ Plus Synthetic Underlayments are also under Intertek’s follow-up inspections for the following product approval program:
| Product |
Product Approval No. |
| Secure Start™ SG and SecureStart™ Plus Permeable Synthetic Underlayments |
FL# 23186 |
