DIYers building decks, this butyl tape is crucial protection for your joists! Each pack gives you 6 inches by 50 feet of self-adhesive waterproof barrier that prevents moisture damage where your deck boards meet the joists. Apply it directly to the joists before installing decking - it creates a seal that stops water from soaking into the wood and causing rot. The butyl material stays flexible through temperature changes and won't crack or become brittle over time. Much more effective than just painting or staining joists. This 2-pack gives you plenty for most standard deck projects. Seriously extends the life of your deck by protecting the structural framework that's expensive and difficult to replace later. Whether you're using wood or composite decking, this tape is insurance against future repairs. Easy to apply - just cut to length, peel the backing, and press onto clean joists. One of those smart upgrades that professional builders use but many DIYers overlook. Your future self will thank you when your deck still looks great years later!
Free 30-day returns 
Free 30-day returns
