Install Attic Vents

They re most effective when used in conjunction with a continuous ridge vent.

Install attic vents.

To install the vents holes will need to be cut into the soffit. Whether you choose to employ flow through cooling with a gable vent. 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. Adding attic vents is a simple matter of cutting holes and installing vents.

Cutting the rafters could weaken the structure of the roof. Multiply this number by 7 to give you the minimum cfm required for your ventilator. How to install gable vents in an attic. Simply secure the vent into place with screws and your vent is complete.

Soffit vents come in several sizes and styles including small round discs and rectangular grilles. But before you cut any holes plan the locations of the attic vents. An attic with 1 500 square feet x 7 1 050 cfm make sure you also have adequate air intake typically through the undereave vents. Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.

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. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. A rule of thumb. Adding proper venting to your attic can cause dramatic drops in summer cooling costs.

When cutting the holes that will allow ventilation it s critical to make certain that you don t cut into the roof rafters. Soffit vents are commonly made of aluminum or. Photos 1 6 show how it s done. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of.

To install the rafter vents staple them directly to the roof decking. Soffit vents are one of the most popular intake vent styles. Determine the attic s square footage. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.

1 square foot of intake for every 300 cfm of ventilator.