Perforated Control Cavity™ Installation
Single Wythe Moisture Control
PCC 4816, PCC 4832
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Perforated Control Cavity Installation
- Install with channel pattern running up and down vertically and fabric to interior
- Overlap all edges and ends a minimum of 1”
- Overlap horizontal edges shingle fashion to outside concrete, masonry substrate (see Lap & Fastening Detail) – upper sheet laps behind (back-laps) lower sheet
- Cover entire wall surface, top to bottom, in this fashion
- Mechanically fasten with concrete nails or power fastener; fastening pattern 2’ on center (see Lap & Fastening Detail)