Install Roof Vents Attic

Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.

Install roof vents attic.

In other words the entire vent opening doesn t count as vented space. An important part of a healthy home and a complete roofing system is roof vents. Drive a nail through your attic to mark where you want your vent. From the roof s peak.

Go into your attic and find a spot at least 2 feet 0 61 m down from the peak of your roof. They are great to help increase airflow through your attic and to help vent out moisture and hot air especially if your home only has small vents on the roof. Vent exhaust fans through a roof hood roof vent hood details. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

These vents are installed in eaves and soffits and are generally made of aluminum or pvc. Center nails between rafters 18 in. That said air resistance and interference such as vent grates reduces the area of true ventilation. Photos 1 6 show how it s done.

Use a hammer to pound a nail through to the roof. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials. If there s blown in insulation like ours rake back the fluffy stuff with a 3 or 4 ft long 1 x 6 or use a garden rake or hoe.

The nail will either visibly stick out from the roof or raise shingles so you know where it is. Apply asphalt roof. Plenty more videos t. Adding attic vents is a simple matter of cutting holes and installing vents.

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Installing a vent hood on the roof. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Start in the attic and drill a hole through the roof in the desired vent location.

Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.