Ventilated roofs

Details of vented flat roofs: a) a venting layer located directly under the layer of tight insulation, b) a venting layer made of special corrugated felt underneath the thermal and waterproofing insulation, c) a venting layer under the thermal and waterproofing insulation, d) venting with an air vent.

The insulating layers are placed on the ceiling support plate. Details of the insulation and venting layers are presented in the figure.