Cofair Butyl Deck Flash Barrier Decking Joist Tape Floor Patch & Leveler black body is highlighted with

black body is highlighted with silver striping

Box cover units are available in a variety of styles that fit standard electrical boxes

Reinforced at elbow to improve strength

plastic and soft metals such as aluminum

use alone as inside dead bolt lock

Cofair Butyl Deck Flash Barrier Decking Joist Tape Floor Patch & Leveler black body is highlighted withWhen applied to deck joists, BUTYL DECK FLASH BARRIER creates a waterproof membrane that prevents wood rot and decay caused by the accumulation of moisture under the decking boards. Deck Flash Barrier self seals around screws and nails blocking the primary pathway of water into lumber. Also, when placed between treated lumber and metal, BUTYL DECK FLASH BARRIER eliminates the potential for the corrosion of the metal surface.