Install Attic Vents

Adding attic vents is a simple matter of cutting holes and installing vents.

Install attic vents.

To install the vents holes will need to be cut into the soffit. Soffit vents are commonly made of aluminum or. Soffit vents come in several sizes and styles including small round discs and rectangular grilles. Whether you choose to employ flow through cooling with a gable vent.

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. When cutting the holes that will allow ventilation it s critical to make certain that you don t cut into the roof rafters. Cutting the rafters could weaken the structure of the roof. 1 square foot of intake for every 300 cfm of ventilator.

For a gable vent you start by removing the siding and sheathing in your determined area with a circular saw avoiding any unnecessary contact to the gable studs after creating a space for the vent line the hole with caulk and place the vent inside. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. But before you cut any holes plan the locations of the attic vents. Photos 1 6 show how it s done.

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. Determine the attic s square footage. Soffit vents are one of the most popular intake vent styles. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.

These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. They re most effective when used in conjunction with a continuous ridge vent. 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. Adding proper venting to your attic can cause dramatic drops in summer cooling costs. To install the rafter vents staple them directly to the roof decking.

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.