Best Attic Rafter Vents

To install the rafter vents staple them directly to the roof decking.

Best attic rafter vents.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. Owens corning raft r mate 22 1 2 in. For improved air circulation in the attic install the durovent 22 in. 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.

Set your store to see local availability add to cart. 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. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. The code minimum for attic ventilation in the 2012 irc section r806 roof ventilation 1 is as follows.

Of net free area for every 150 sq. For the same reason insulation shouldn t touch the roof s underside. Item 1571672 model xudv2248. Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.

Create a balanced ventilation system to help provide comfort in all seasons and help prevent roof damage. Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit. The saying more is less applies to exhaust vents for an attic.

This means for every 150 square feet of attic floor space there should be 1 square foot of net free area. Durovent durovent 22 in x48 in raft vent 10 pack. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. 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.

Owens corning raft r mate attic rafter vents. Of attic floor space. 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. 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.