RoofRunner™ is a lightweight, synthetic polymer-based underlayment that outperforms felt and outclasses other synthetics. Designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles, this scrim-reinforced underlayment includes a special top surface treatment that provides excellent slip resistance, even when wet.
Lightweight, synthetic polymer-based underlayment
Designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles
The scrim-reinforced underlayment includes a special top surface treatment that provides excellent slip resistance, even when wet
When used in conjunction with a CertainTeed roofing product, RoofRunner will take on the same warranty period as the shingle above it; When RoofRunner is used with a non-CertainTeed product, the limited warranty period will be 10 years