Walther Strong Non-Butyl Joist Tape 50MM x 20M - Superior butyl tape. Long Lasting Protection Flashing Tape Ideal for Wood Decks Beams Roof, Outdoor Construction Use. Weather-Resistant & Waterproof

DeckTape completely protects and seal your new or existing deck frame. Protecting from water rot, moisture rot and frame weathering. Exposure to the elements outdoors can result in significant deck frame weathering. The most common area for this damage to occur is where the deckboards come in contact with the deck substructure. Permanent adhesive bond which massively adds to the life of your deck frame. Suitable to be used with both traditional timber decking and also the more advanced composite decking. This DeckTape will protect any timber decking sub structure. For use on top of single joists.