Frogtape Pro Grade Decking & Joist Flashing Tape 48mm x 15.2m

Protect your outdoor timber structures for decades with FrogTape Pro Grade Decking & Joist Tape. This professional-grade 48mm x 15.2m tape provides essential waterproof protection for deck joists, stair stringers, posts, and ledger boards, effectively blocking damaging moisture penetration that causes rot and decay.Its advanced, solvent-free, and odourless acrylic adhesive is initially repositionable for precise placement, then forms a powerful, permanent bond. A key innovation is its self-healing property; the tape automatically seals around nails and screws to maintain a continuous watertight barrier after fastening. Engineered for superior performance, it is UV and weather-resistant to withstand direct sunlight, rain, and temperature fluctuations.The self-wound design with a fibre-reinforced carrier ensures tear resistance and speeds up installation with no release liner to remove. Outperforming standard butyl tapes, this robust flashing membrane is the trusted choice for prolonging the life of deck frames, pergolas, and outdoor staircases. For best results, apply to clean, dry, and frost-free timber surfaces above 5°C.

For sealing and protecting deck joists from water penetration Excellent conformability for bending around edges and corners Wide installation temperature range from -18° to 65°C with long term performance after installation (-40° to 115°C) Self healing around nails and protrusions for a waterproof seal All weather performance with 12 months UV resistance and adheres to a range of substrates, including challenging building materials such as pressure treated wood and OSB concrete