TYPICAL ROOF LAYERS
1- Main load bearing steel construction element
2- Steel purlin
3- Prepainted galvanized steel trapezodial
4- Vapour barrier skin
5- Heat insulation layer - Rockwool
6- Galvanize Z furring profile
7- Water insulating breather mat
8- Aluminium halter with thermal bridge breaker wedge underneath
9- 65/310-410 Seamline panel of prepainted aluminium or steel