Roof deck seam tape is a self-adhering seam tape used to tape all seams of a plywood or OSB, roof deck, preventing water from entering the structure. Once the seams are taped, the roof may be covered with roofing felt, synthetic or self-adhering underlayment. It will prevent water from entering the structure between the deck seams if the main roof is damaged. It is a composed of a non-slip surfaced film laminated to rubberized asphalt adhesive.
- Creates secondary moisture barrier if primary roof is damaged
- Forms a moisture and vapor barrier
- Meets ASTM1970
- Made in the USA
- Tape the seams of a plywood or OSB roof deck to prevent water from entering the structure
- Meets the ASTM 1970 standards













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