RoofRunner™ lightweight synthetic polymer-based underlayment 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. Large roll size - 4 feet wide x 250 feet long - speeds application.Technical Information
- Dimensions: 48" wide x 250' long
- Roll Side: 1,000 sq. ft.
- Coverage: 937.5 sq. ft.
- Weight 23 lbs.
- UV Exposure: 90-day (based on standard accelerated QUV testing)
STANDARDS AND CODES
Roof runner confirms to:
- Physical requirements both ASTM D226 and D4869
- UL 790 / ASTM E108 Class A Fire Resistance with Class A Roof Shingle
- ICC-ES AC188