Ventilation Cowl – pitched roof 11-55°
The ventilation cowl from JUAL for pitched roof is 20 x 20 cm cross section and 28,5 cm high. It can be delivered in different sizes and materials, insulated or non-insulated. The cowl is adjustable to fit the inclination of the roof.
The ventilation cowl is installed where ventilation pipes or hoses penetrate the roof surface. This cowl is adjustable from 11° to 55° and can be fastened to the roof. Bitumen membrane is welded to its flange.
Can be supplied with a 15 mm insulation (mineral wool) against condensation.
Zink no. 14 (thickness 0,8 mm)
Black powder coated aluminium (thickness 1,25 mm)