How To Install Attic Baffles From The Outside

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.

How to install attic baffles from the outside.

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. The temperature in the attic seams to be almost the same temperature as the outside. Install attic baffles if the attic doesn t have attic baffles let s install them. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.

Locate the soffit vents in the eaves of your home. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. Staple each side to the roof deck spaced about every 4 inches. Determine the size baffles you need by measuring the space between your attic s rafters.

Installing baffles in a attic where the insulation has already been installed. As a side note i have a whole house and attic fan in the attic that vent outside. How to install attic rafter vent baffles step 1. You ll need to crawl to the end of the eave and staple the baffle against the roof deck.

If you are finishing the entire attic space place the baffle directly adjacent to the. These specialty vents do not affect the. Today the outside temperature was about 90 f and the attic temperature was about 150 f. It may be easiest to locate and mark them from below.

How to install baffles in an old attic 1. You will need a baffle for each space between the rafters. Position the first baffle. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each. Attic baffles how they work.