Insulate Roof Foam 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.

Insulate roof foam baffles.

In warm climates zones 1 through 4 low density open cell spray foam insulation is the typical choice since it is vapor permeable and will allow drying of the exterior sheathing and roof framing if they happen to get wet via diffusion into the interior of the building. You will need a baffle for each space between the rafters. Baffles establish a channel for air to circulate between the insulation and the roof sheathing. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.

Attic ventilation system with built in baffle 10 per carton 4 4 out of 5 stars 3 accuvent 14 5 x 50 16 o c flame retardant pvc high energy vent 50 pack acbp18429. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. The rigid foam is cut to be 2 inches wider than the space between rafters then 1 inch of foam is scored and folded over on either side of the foam creating standoffs that hold the foam away from the roof sheathing providing a space for air to flow. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. Ado products durovent 23 1 2 in. Attic insulation rafter baffle proper vents 70 pieces model 70rm view the owens corning attic insulation 179 00 179 00. Set your store to see local availability add to cart.

Owens corning raft r mate 22 1 2 in. For the same reason insulation shouldn t touch the roof s underside. The beauty of attic baffles is that they are available from most home improvement stores and can be installed simply with a few staples if you want the diy approach. Foam dispensing gun 11 garage door insulation 5 insulation cutter 1.

Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.