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.
How to install roof vents in attic.
Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.
Simply secure the vent into place with screws and your vent is complete.
Place all the roof vents on the same side of the roof.
Then cut out your desired location and screw the vent directly into the soffit.
Drive a nail through your attic to mark where you want your vent.
A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters.
If your roof peak runs parallel to the street put them on the backside where they ll be less prominent.
Use a hammer to pound a nail through to the roof.
With the help of an assistant raise the vent up to the soffit and center it over the cutout slot.
The nail will either visibly stick out from the roof or raise shingles so you know where it is.
The installation of a turbine vent is nearly identical to a static vent.
Screw holes through both flanges.
Go into your attic and find a spot at least 2 feet 0 61 m down from the peak of your roof.
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.