Butyl Joist tape is the newest self-sealing waterproof flashing tape. It comes in two sizes, 1-5/8" x 50ft and 3-1/8" x 50ft rolls. Can be applied in temps as low as 25°F!
Butyl Flashing Tape
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Deckwise Butyl Joist Tape
Self-sealing, waterproof flashing Self-seals around fasteners to insulate deck joists from water and prevent wood rot and decay Butyl tape can be installed in cooler temperatures, safe to use in temps as low as 25° F. Can be applied to decking joists, over ledger boards, and around support posts to create a waterproof seal. Tear resistant, durable and flexible. Can be applied to dewy or non-kiln dried wood. However, it is always preferable to apply to clean, dry wood. Available in 2 sizes, see photos for the difference in width. Made in the USA!
$24.95 - $42.95
