How Many Baffles Do I Need In My Attic

Multiply those two numbers and then divide by 150 to get the vent space square footage.
How many baffles do i need in my attic. Divide that number by 2 to determine how many vents you. Call us today for a free inspection at attic insulation toronto 647 931 6385. Without baffles you must keep vents clear of insulation which means. Measure the length and width of the house in feet.
Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space. Moreover they provide clear and efficient air circulation which will keep your attic moisture and mildew free. Attic baffles how they work. How much vent space do you have.
The first step in determining how many rafter vents your home needs is to determine your home s vent space in square feet. You ll need installation equipment. 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. 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.
The book that helped us build and renovate. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.