What is a simple roof definition?
Roof definition refers to all the elements covering the building:
- the roofing materials (clay tiles, metal sheets, shingles, bitumen corrugated sheets and tiles…)
- the wooden or metal structure that supports them, made of the intermediate purlins, rafters and battens.
View of an insulated roof:
2 Waterproofing Underlay
3 Vapour barrier
4 Ventilation gap
6 Counter batten