Grace Vycor Deck Protector Self Adhered Flashing - 4" x 75' Roll Even with today's treated and high-tech decking products--which look great and last and last--preventing joist rot and decay, as a result of water accumulation under the decking boards, remains a major problem. Grace Vycor Deck Protector is a unique solution to significantly extend the useful life of decks. Grace Vycor Deck Protector significantly extends the useful life of decks. It features a unique adhesive membrane composition for providing Corrosion protection, prevents water infiltration at deck fasteners, skid resistant coating for easier foot traffic during installation, compatible with all decking materials, and between the connector the pressure treated wood acts as a barrier layer to break the electric circuit helps reduce corrosion, shrink wrapped rolls Features It improves the quality of your work without adding complexity or costs to the installation It extends the useful life of wooden and composite decks It dramatically reduces costly call-backs for repairs It's an easy add-on to your deck projects Size - 4 in. x 75 ft USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.