How To Install Attic Insulation Vents

From the roof s peak.

How to install attic insulation vents.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. To allow this airflow install rafter vents at the soffits. Use a cordless drill driver to secure the vent to the soffit with in long no.

Continue installing additional strip vents until you reach the far end. Trim the last vent to length using aviation snips. For diy attic insulation you ve got two choices. Step 6 remove any insulation from the new vent photo by merle henkenius.

Level uneven spots with a rake. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation. These specialty vents do not affect the.

With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door. Find a pre screened local home insulation contractor. Loose fill or batt the common term for blanket insulation. 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.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Staple the tab to the top plate using 3 8 inch staples. You will need a baffle for each space between the rafters. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.

Both can be added to uninsulated attics or layered over existing material. How to install roof vents photo 1. Step 3 fold the bottom edge of the raft r mate to form a tab that fits tightly over the wall s top plate. Just slide them along the underside of the roof to the soffit and attach them with staples.

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. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. 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 air enters through the soffit vents near the attic floor travels up toward the ridge vent and exits through the attic.

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