How To Install Vents In Your Attic

From inside the attic your roofing professional will drive a nail about one third of the way down from the ridge between two rafters to mark the desired spot for installation.

How to install vents in your attic. If it doesn t it may block the vent preventing it from working. Mark attic roof air vent locations center nails between rafters 18 in. Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent. How to install roof vents photo 1.

If you re installing a ridge vent you ll want to pay close attention to the directions laid out by the vent. Space the holes 12 to 14 in. Drill some holes in the wood soffit in order to insert the saw blade and begin cutting. How to install attic vents once you ve done your calculations and know which type of vents you ll be using install them using these steps.

Drive nails up through the sheathing and shingles to mark roof air vent locations. Make sure you play close attention to the insulation which should leave a gap between itself and the vent. Mark the spacing of your soffit vents in between the rafters or joists. Drill holes into the soffit the lower surface of the eaves will need to be cut into using a jigsaw or keyhole saw.

Use a cordless drill and a spade bit to drill the holes into the wood. With the help of an assistant raise the vent up to the soffit and center it over the cutout slot. From the roof he will cut a hole the same size as the diameter of the vent. From the roof s peak.

Of vent for every 300 sq. In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. Set your circular saw at 1 8 inch 0 4 cm greater than the thickness of your roof s soffit when installing an intake vent.

Using a saw cut holes that are a tad smaller than the vent you re using. Next lay the strip vent down on a flat wood surface such as a plywood sheet or long 2 x 4 and drill 1 8 in dia. Screw holes through both flanges. The following is a list of options for installing ventilation into a residential attic space.