What is Butyl Joist Tape and Why Use it On Your Deck Framing?
When building a deck, every detail matters—especially when it comes to protecting the structural integrity of your investment. One often-overlooked but critical component is butyl tape, a self-adhering, waterproof flashing tape designed to shield your deck’s substructure from moisture and rot. Let’s discuss what butyl tape is, why it’s essential for your deck joists, and …