How Many Baffles Do I Need In My Attic

An attic baffle is simply an item to regulate the flow of air aka required roof venting and impede it the insulation from interfering with each other.

How many baffles do i need in my attic.

You will need a staple gun great stuff or a foam sealant gun a pile of attic baffles ok one per eave two if you re adding a lot of insulation 2 foam blocks per eave rough cut to fit approx 6 x 14 depending on the framing. Without baffles you must keep vents clear of insulation which means. Moreover they provide clear and efficient air circulation which will keep your attic moisture and mildew free. The first step in determining how many rafter vents your home needs is to determine your home s vent space in square feet.

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space. You ll need installation equipment. Attic baffles how they work.

I have fiberglass batts in the attic and will also be installing a radiant barrier under the roof. Call us today for a free inspection at attic insulation toronto 647 931 6385. Measure the length and width of the house in feet. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the.

The book that helped us build and renovate. My question is do i need baffles or should i just make sure there is a small gap over the soffit vents and if so should the baffles be positioned below or above the radiant barrier.