How To Install Vents In Your Attic

The following is a list of options for installing ventilation into a residential attic space.

How to install vents in your attic.

Drive nails up through the sheathing and shingles to mark roof air vent locations. Of vent for every 300 sq. Use a cordless drill and a spade bit to drill the holes into the wood. From the roof s peak.

Mark attic roof air vent locations center nails between rafters 18 in. Things needed tape measure gable vent assembly two by four lumber power drill with screw tip 3 inch wood screws plumb bob long 1 2 inch drill bit extension ladder straightedge reciprocating saw with bi metal blade tar paper utility knife construction stapler exterior caulk caulk gun cap flashing. 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. 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.

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. Make sure you play close attention to the insulation which should leave a gap between itself and the vent. From the roof he will cut a hole the same size as the diameter of the vent. In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.

If it doesn t it may block the vent preventing it from working. With the help of an assistant raise the vent up to the soffit and center it over the cutout slot. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. How to install roof vents photo 1.

Space the holes 12 to 14 in. Using a saw cut holes that are a tad smaller than the vent you re using. Photo by merle henkenius. 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.

If you re installing a ridge vent you ll want to pay close attention to the directions laid out by the vent. 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. Drill holes into the soffit the lower surface of the eaves will need to be cut into using a jigsaw or keyhole saw. Screw holes through both flanges.