AnchorDeck™ is an engineered synthetic roofing underlayment for sloped roof applications. AnchorDeck™ coating technology allows underlayment to be anchored to the deck prior to applying fasteners. Innovative high-traction walking surface, excellent durability and many other unique performance features make AnchorDeck™ the smart choice for todays roofing professionals. AnchorDeck™ is designed for use under asphalt shingles, metal in residential applications, synthetic shingles and primed cedar shakes. AnchorDeck™ not only protects your roof deck, it helps protect roofers as well. AnchorDeck™ is an engineered synthetic roofing underlayment for sloped roof applications. AnchorDeck™ coating technology allows underlayment to be anchored to the deck prior to applying fasteners. Innovative high-traction walking surface, excellent durability and many other unique performance features make AnchorDeck™ the smart choice for todays roofing professionals. AnchorDeck™ is designed for use under asphalt shingles, metal in residential applications, synthetic shingles and primed cedar shakes.