Installing Attic Rafter Baffles
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.
Installing attic rafter baffles. Step 2 in the bay. 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. 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.
Work your way out to the ends of the. It may be easiest to locate and mark them from below. How to install attic rafter vent baffles step 1. If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.
Depending on the size of the opening set a half sheet of 3 4 inch plywood across the rafters to. Put on your safety gear. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. These specialty vents do not affect the.
Attach a headlamp to your hard hat to free up your hands as you work. The book that helped us build and renovate. 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. Fold the bottom edge of the raft r mate to form a tab that fits tightly over the wall s top plate.
Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space. Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each. For the same reason insulation shouldn t touch the roof s underside. Repeat for each rafter space.
Without baffles you must keep vents clear of insulation which means. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles. Set the baffles and a.
Staple the tab to the top plate using 3 8 inch staples.