Drive nails up through the sheathing and shingles to mark roof air vent locations.
How to install vents in your attic.
Drill holes into the soffit the lower surface of the eaves will need to be cut into using a jigsaw or keyhole saw.
With the help of an assistant raise the vent up to the soffit and center it over the cutout slot.
Mark attic roof air vent locations center nails between rafters 18 in.
Photo by merle henkenius.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
The following is a list of options for installing ventilation into a residential attic space.
Of vent for every 300 sq.
How to install roof vents photo 1.
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.
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.
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.
Then cut out your desired location and screw the vent directly into the soffit.
If it doesn t it may block the vent preventing it from working.
Use a cordless drill and a spade bit to drill the holes into the wood.
Using a saw cut holes that are a tad smaller than the vent you re using.
Mark the spacing of your soffit vents in between the rafters or joists.
Space the holes 12 to 14 in.
In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.
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.
From the roof he will cut a hole the same size as the diameter of the vent.
From the roof s peak.
If you re installing a ridge vent you ll want to pay close attention to the directions laid out by the vent.
Make sure you play close attention to the insulation which should leave a gap between itself and the vent.