This Type J1 DPC Cavity Support and Closer delivers Damp Proof Course (DPC) support and closes the cavity under parapet copings. It also closes the cavity in open eaves and other eaves details. Ideal for cavities from 50mm up to, and including, 90mm, it fulfils relevant constr... Read More
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This Type J1 DPC Cavity Support and Closer delivers Damp Proof Course (DPC) support and closes the cavity under parapet copings. It also closes the cavity in open eaves and other eaves details. Ideal for cavities from 50mm up to, and including, 90mm, it fulfils relevant constraints of the British Standard and the NHBC performance standard, chapter 6.1, S4 (c) to (d).
Parapet constructions need a DPC placed directly under the coping for support, as qualified in BS5628: Part 3. The conventional cavity parapet is usually terminated with copings, and a DPC is bedded and positioned underneath. The width of the DPC needs to be sufficient enough to create a slight overhang of the parapet masonry width, and the DPC needs support when it crosses the cavity.
This Type J1 DPC Cavity Support and Closer is designed for 130mm x 30mm x 2mm/2.5mm purposes.
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