Each set includes 6 rolls of 2'' x 50' of joist tape, ideal for use in Tin shed, house roof, pool, bridge, deck. This butyl tape 2 inch with its anti-corrosion and waterproof features, protects the wooden surface of your deck from rain, snow and stains. Composed of a protective film that is easy to peel off without leaving glue or plastic residue. To install, simply apply to a clean, dry surface. Then remove the protective film for a professional finish. Pro deck tape with certification of resistance against humidity, UV rays, steam and temperatures from -40℃~150℃. Our premium quality deck joist tape can last approximately 20-30 years as it is designed to resist moisture and protect beams from decay