Air, Water & Vapor Barrier
For Use Under: Metal, Composition or Asphalt Shingles Ice Damming and Severe Weather protection
Royal Grip-SATM is strongest, most reliable and best performing synthetic self-adhering roof underlayment designed to be adhered directly to roof decks prior to the application of asphalt shingles. Royal Grip-SATM delivers a unique combination of both temperature (200°F / 90°C) flow resistance and low temperature (40°F / 4.4°C) deck adhesion, does not require priming to wood surfaces when the temperature is above 40°F. Concrete and masonry decks should be primed with a solvent or a water based primer that meets ASTM D41 for asphalt based self-adhesive membranes. It meets or exceeds code requirements and industry standards, offers best walkable rough blue synthetic fabric surface with 60 days UV exposure rating and 15 years limited warranty which makes Royal Grip-SATM an ideal self-adhering underlayment for commercial and residential projects subject to ice-damming and severe weather.