Box containing 12 Rolls of Impervious Joist Tape 70mm x 20m 240 metres per box!
Impervious Decking Joist Tape - 70mm x 20m long butyl tape with a strong adhesive layer which sticks to the top of timber decking joist to form a waterproof capping to prevent premature rotting and decking substructure failure.
The 70mm width provides quick installation and promotes water to run off the joists onto the floor below rather than sitting on the top of the joist and soaking into the timber over time.
Resistant to in temperatures between -28C and 80C.
Will prolong the lifespan of your treated timber substructure and allow the owner to enjoy their decking for many years to come.
In addition to this 50mm x 25m tape, 70mm x 20m joist tape is also available to BUY HERE
