VILPE Alipai Ridge 14

The Ridge-Alipai low-pressure air vent can be used at the ridge of a felt roof for ventilating the roof structures and attic space. Ridge-Alipai is installed on the ridge between two felt layers. Ridge-Alipai is available for two different ridge pitches, 14 and 27 degrees. The pipe diameter of the 14° Ridge-Alipai is 110 mm. The 27° Ridge-Alipai is available in three diameters: 75, 110 and 160 mm. The Ridge- Alipai includes a cowl to stop rainwater from entering the structures or attic space through the pipe.