Standing seam roof on a damp proof system

See chapter 4 for standard and alternative built ups.

Damp proof roof built up with standing seam system

The construction of the zinc roof is built up as follows, beginning on the inside:

1. Ceiling – any type
2. Damp control course, μd ≥ 150
3. Insulation material according to thermal requirements
4. Supporting rafters – generally made from wood
5. Plywood panel, thickness= 22 mm
6. Separating layer
7. Zinc standing seam system