Materials:Deck Defence

Notice to the Reader: The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: Owens Corning Canada Accepted for RoofStar Guarantee Program November 2013 Product Summary Accepted as an underlayment for asphalt shingle systems sloped 1:3 (4" in 12") or greater.

Click below for the Technical Data Sheet