Techno SB 25 is a mechanically attached synthetic roofing underlayment comprised of a woven fabric coated on both sides with a polypropylene walking surface. The underlayment has a nominal weight of 93 grams per square meter ± 10%.
Techno SB Ultra is a mechanically attached synthetic roofing underlayment comprised of a woven fabric coated on both sides with a polypropylene walking surface. The underlayment has a nominal weight of 129 grams per square meter ± 10%.
CODE COMPLIANCE RESEARCH REPORT
| Evaluation Method |
Building Code |
CCRR Number |
ICC-ES AC188
ASTM D8257/D8257M |
2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2023 FBC (including HVHZ) |
CCRR-0320 |
