Haw To Intall Roof Ridge Vent

Since exhaust and intake must be equal 450 square inches of total intake is required as well.

Haw to intall roof ridge vent. It requires a two to three inch opening to be cut across the very peak of the roof exposing the attic below. The ridge vent is only half of the venting system if that s the venting system you re going to use. To calculate an example of exhaust and intake use 25 feet of roof ridge vent. Multiply it by 18 square inches the net free air per foot of ridge.

This gives you 450 square inches of total exhaust. Cut the ventilation opening. Install new field shingles. Ridge venting is a continuous vent strip that is installed at the very peak of the roof.

Nail the section down by driving 2 inch roofing nails through the holes provided. To begin the ridge vent installation they measure down 3 inches from the top of the ridge and snap a line to cut the opening for the ridge vent. This is an area of the roof which requires extra care and skill. 5 add sections to.

Remove the shingle caps. Using a circular saw with a carbide tip blade one of the roofers plunges the saw into the ridge at the ends and then follows the chalk line. Start by removing the nails holding the ridge cap shingles in place. Install the ridge vent shingle over style install the ridge vent aluminum.

For most asphalt shingle ridge caps there are two.