Attic Rafter Vent Insulation

Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor.

Attic rafter vent insulation.

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. Improper attic ventilation prevents the free flow of air from the soffit to the exhaust vents which reduces insulation efficiencies and accelerates moisture problems. Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.

Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses. An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic. Owens corning raft r mate 22 1 2 in. They allow the fresh air to travel up under the roof to the ridge or gable vents keeping the roofing materials dried out and in good working order.

The baffles will allow circulation to continue even though insulation has been installed directly in the. Attic insulation rafter baffle proper vents 70 pieces model 70rm view the owens corning attic insulation 179 00 179 00. For the same reason insulation shouldn t touch the roof s underside. Item 1571672 model xudv2248.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. Durovent durovent 22 in x48 in raft vent 10 pack. Once they are in place you can then place the batts or blankets or blow insulation right out to the very edge of the attic floor. 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.

The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. Set your store to see local availability add to cart. The provent rafter vent channel provides an unobstructed the provent rafter vent channel provides an unobstructed air channel through your insulation. Without baffles you must keep vents clear of insulation which means.

Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place. If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before.