Attic Rafter Vents Installation

In order to install the rafter vent you have to know the length from the soffit to the ridge.

Attic rafter vents installation.

Without this air movement any moisture that gets into. For the same reason insulation shouldn t touch the roof s underside. Rafter vents for home attic insulation come in different lengths and knowing the length will help you to buy enough styrofoam rafter vents. Attic insulation rafter baffle proper vents 70 pieces model 70rm view the owens corning attic insulation.

Owens corning raft r mate 22 1 2 in. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. How to install attic rafter vents and baffles. Putting baffles in your attic is a crucial step in installing attic insulation.

Step 3 placing the rafter vents. If your rafters have 16 inch spacing break the vents in half lengthwise along their perforated centerlines and install one half width section in each rafter bay. 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.

The gable of your house must have openings to allow fresh air to enter and stale air to exit. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Use the step ladder to start placing the styrofoam rafter vents.

Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. To install the rafter vents staple them directly to the roof decking. Full pieces of raft r mate are sized to fit rafters that are spaced 24 inches apart.