How To Install Roof Ventilators
Install the Ridge Vent Aluminum Ridge Style Measure down and mark the manufacturers recommended distance from the ridge then snap a chalk line through the marks to create a reference line. Make sure the shortest side of the flashing panel is facing down the roof slope. Roof Vents 101 Install Roof Vents For Proper Attic Ventilation Iko Position the top edge of the outlet hole in line with the edge of the top tile batten. How to install roof ventilators . Once your underlay has been fitted you need to add some supporting ventilation this was a requirement NHBC introduced a couple of years back. The roofer will mark these spots between the rafters evenly along the roof. To install a roof adaptor cut and clean the hole in the roof as you would normally. Roll 40mm of the top edge up and over ensuring a return lip of 15-20mm is gained. Bend down and form the two sides of the flashing panel to follow the side tile contours. Blocking and roof vent baffles must be installed in such