-Protects the top of the joist, rim joist, and ledger board from developing rot and timber decay
-Butyl-based tape helps deck screws hold longer and stronger than acrylic or asphalt-based tape
-Acts as a barrier between timber and galvanized metal such as joist
hangers
-Seals deck fasteners and prevents moisture penetration
-Eliminates splitting from freeze and thaw
-Provides a non-skid surface making it safer during installation
-Backed by a 20-year warranty