Drywall tape

Details Drywall tape Drywall tape

C - Chemistry, Metallurgy

09

J

154/108, 154/119

C09J 7/04 (2006.01) B32B 7/12 (2006.01) B32B 29/00 (2006.01)

Patent

CA 2004699

ABSTRACT OF THE DISCLOSURE A drywall tape is made of a paper base strip provided with pressure sensitive adhesive (PSA) backed by a split backing to facilitate application of the tape at corners. In order to eliminate the problem of cracks developing at the edge of paper tapes having a PSA layer and used with water based compounds, the tape is perforated. Two preferred ways of perforation are described. The advance in the art is in providing a substitute for known paper tapes and glass fibre mesh tapes, retaining their advantages but eliminating or at least reducing their drawbacks.

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