To prevent structural degradation of deck joists, when laying your deck foundation (substructure) choose a good joist tape to help prevent the rot. Water that accumulates under the decking boards cannot dry out easily. It can remain trapped for a long time, creating perfect conditions for rot and decay.
DECK FLASH BARRIER is a flexible polyethylene waterproof flashing and barrier material, with a rubberized asphalt mastic adhesive. Deck flash barrier is intended for joist, post and ledger board protection. It creates a physical barrier that prevents the corrosion wood and metal surfaces.
Nichigo G-Tape™ is a collection of acrylic adhesive tape made by Nippon Gohsei. Although mainly used for industrial and commercial applications, it is also excellent for home projects.
Ideal for use with TruNorth Composite and Clubhouse PVC decking. Creates a durable moisture barrier on joists and beams