How To Install Attic Insulation Vents

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How to install attic insulation vents.

Just slide them along the underside of the roof to the soffit and attach them with staples. To install the rafter vents staple them directly to the roof decking. You will need a baffle for each space between the rafters. 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.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. These specialty vents do not affect the. Step 6 remove any insulation from the new vent photo by merle henkenius. For diy attic insulation you ve got two choices.

Both can be added to uninsulated attics or layered over existing material. Use a cordless drill driver to secure the vent to the soffit with in long no. The air enters through the soffit vents near the attic floor travels up toward the ridge vent and exits through the attic. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.

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. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. Mark attic roof air vent locations center nails between rafters 18 in. Trim the last vent to length using aviation snips.

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. Loose fill or batt the common term for blanket insulation. Drive nails up through the sheathing and shingles to mark roof air vent locations. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.

Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. 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. Staple the tab to the top plate using 3 8 inch staples.

Level uneven spots with a rake. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. 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. 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.

Continue installing additional strip vents until you reach the far end.