Products under this listing conform to the Vinyl Siding Institute (VSI) product certication program for the standards listed below.
Royal Vinyl, Exterior Portfolio Insulated Vinyl and Polypropylene siding by Westlake Royal Building Products are used as exterior wall covering in a weather-resistant exterior wall envelope.
See PCL-0301 and PCL-0303 for certified vinyl siding products and additional information.
Certified products conform to the following standards:
| Standard(s) |
Rating(s) |
ASTM D3679
ASTM E119 |
See PCL-0301
1 hr. Non-Bearing Wall Assembly Rating. See WRBP-PS 60-01 |
| ASTM D3679 |
See PCL-0303 |
See PCL-0302 for certified insulated vinyl siding products and additional information
Certified products conform to the following standards:
| Standard(s) |
Rating(s) |
| ASTM D7793 |
See PCL-0302 |
| ASTM E119 |
1 hr. Non-Bearing Wall Assembly Rating. See WRBP-PS 60-02 |
See PCL-0304 and PCL-0305 for certified polypropylene siding products and additional information.
Certified products conform to the following standards:
| Standard(s) |
Rating(s) |
| ASTM D7254 |
See PCL-0304 and PCL-0305 |
