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. Installing a vent hood on the roof. Use a hammer to pound a nail through to the roof. In other words the entire vent opening doesn t count as vented space. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.
That said air resistance and interference such as vent grates reduces the area of true ventilation. An important part of a healthy home and a complete roofing system is roof vents. Advantages of proper roofing ventilation. 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.
Drive a nail through your attic to mark where you want your vent. 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. From the roof s peak.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. These vents are installed in eaves and soffits and are generally made of aluminum or pvc. Start in the attic and drill a hole through the roof in the desired vent location. Go into your attic and find a spot at least 2 feet 0 61 m down from the peak of your roof.
Drive nails up through the sheathing and shingles to mark roof air vent locations. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Apply asphalt roof.
Photos 1 6 show how it s done. 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. 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. Adding attic vents is a simple matter of cutting holes and installing vents.
If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. Center nails between rafters 18 in. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a.