Leave the drill bit sticking through the roof so you can find the hole.
Attic vent installing from inside attic.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
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.
Attic hatch or door.
Meanwhile preventing moisture damage is a much greater benefit and applies to colder climates more than warmer ones.
In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.
Grab a flashlight and inspect your attic during the winter.
In fact the colder the climate the.
Soffit vents come in several sizes and styles including small round discs and rectangular grilles.
Vents come in various styles.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
Try to keep it close to the fan location.
These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave.
After creating a space for the vent line the hole with caulk and place the vent inside.
They re most effective when used in conjunction with a continuous ridge vent.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Affix rigid foam insulation to the attic side of the hatch or door.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
If you see dampness or frost you need better roof ventilation and some attic vents.
Simply secure the vent into place with screws and your vent is complete.
Then cut out your desired location and screw the vent.
Sure installing roof vents for older homes can reduce your hot air during the summer but there are probably more low risk cost effective ways to increase your home s energy efficiency.
The warm moist air inside the vent tends to condense on the colder walls.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
See the benefits of attic ventilation a new roof is more than just shingles.
Pull down stair or ladder.
Soffit vents are one of the most popular intake vent styles.
Of vent for every 300 sq.