Polyglass Synthetic Roofing Underlayment
Company: Polyglass USA, Inc.
Code Compliance Research Reports: CCRR-0339
Polyanchor is a mechanically attached synthetic roofing underlayment comprised of a cross-woven polypropylene scrim with two-ply proprietary coating on the exposed side. The underlayment has an overall nominal weight of 2.9 pounds per 100 square feet. The underlayment is available in rolls of 48 inches wide by 250 feet long. Other sizes are available upon request.
FIRE CLASSIFICATION
Class A Assemblies
Assembly No. |
E108-RFU-53323 |
Slope:
Deck Type:
Details: |
2:12 or greater
Combustible
- Minimum nominal 15/32" thick Code Compliant exterior grade plywood.
- A single layer of Polyanchor underlayment mechanically fastened to the plywood sheathing every 18 inches 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 Code |
CCRR Number |
ICC-ES AC188 |
2021, 2018, and 2015 IBC and IRC |
CCRR-0339 |