Best Attic Rafter Vents

The saying more is less applies to exhaust vents for an attic.

Best attic rafter vents.

Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. Durovent durovent 22 in x48 in raft vent 10 pack. Item 1571672 model xudv2248. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.

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. For improved air circulation in the attic install the durovent 22 in. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Of attic floor space.

To install the rafter vents staple them directly to the roof decking. Owens corning raft r mate 22 1 2 in. Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic. The code minimum for attic ventilation in the 2012 irc section r806 roof ventilation 1 is as follows.

Create a balanced ventilation system to help provide comfort in all seasons and help prevent roof damage. Owens corning raft r mate attic rafter vents. Benefit of vents my project has 6 of slope insulated from the top plate to the collar ties where the insulation continues on the flat. Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor.

For the same reason insulation shouldn t touch the roof s underside. Of net free area for every 150 sq. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. This means for every 150 square feet of attic floor space there should be 1 square foot of net free area.

I installed site built rafter vents 2 rather than filling the entire cavity because i can inspect the vented space for leaks from the deck installed on the collar ties. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Set your store to see local availability add to cart. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.

It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow.