Architectural · A-E8DN5

Waterproofing Membrane Corner Installation and Taping Detail

Materials

Elements

Expansion / Control Joints Waterproofing / Flashing

About this detail

An approved substrate backs the vertical installation of GCP Preprufe 300R Plus waterproofing membrane over butted sheets at an inside corner, maintaining a minimum twelve-inch lap. CJ Tape 1 and CJ Tape 2 are applied at the horizontal-to-vertical transitions with relief cuts and corner wraps. CJ Tape 3 and CJ Tape 4 are applied vertically to lap over the previous tape layers.

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