The Cornerstone Polypropylene Siding is rigid polypropylene having a solid cross section and is intended for use as an exterior wall cladding attached to an approved structural sheathing. The following Siding profiles are recognized in this report:
Mastic Cedar Discovery,
Variform Heritage Cedar,
Georgia-Pacific Cedar Spectrum,
Napco Cedar Select,
Cellwood Cedar Dimensions, and
Durabuilt.
CODE COMPLIANCE RESEARCH REPORT
Evaluation Method |
Building Code |
Report Number |
ICC-ES AC366
ASTM D7254 |
2024, 2021, 2018 IBC
2024, 2021, 2018 IRC |
CCRR-0164 |