CQKD roof curbs are installed on the roof surface as supports for PDQ-AI and PDQ-AII roof bases. The product is available in galvanized steel, stainless steel and aluminium, plus versions with or without thermal insulation, and with a straight duct or a bend. The standard insulating layer thickness is 25 mm or 50 mm. Sloping roof curbs are designed for sloping roofs. The standard overall height of the roof curb is 500 mm. Any overall height can be produced on request.
