Installing Attic Rafter Baffles

It may be easiest to locate and mark them from below.

Installing attic rafter baffles.

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. Depending on the size of the opening set a half sheet of 3 4 inch plywood across the rafters to. Fold the bottom edge of the raft r mate to form a tab that fits tightly over the wall s top plate.

Attach this roof and attic insulation treatment using foam baffles to ventilate insulate and channel cold and hot air to roof vents before insulation is add. Without baffles you must keep vents clear of insulation which means. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Locate the soffit vents in the eaves of your home.

Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space. 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. Staple the tab to the top plate using 3 8 inch staples. Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each.

If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles. This will prevent insulation from filling your eave space and blocking airflow through the soffit vent. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. Repeat for each rafter space.

These specialty vents do not affect the. For the same reason insulation shouldn t touch the roof s underside. Step 2 in the bay. You will need a baffle for each space between the rafters.

Set the baffles and a. The book that helped us build and renovate. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. 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.

Attach a headlamp to your hard hat to free up your hands as you work.