How To Install Attic Baffles From The Outside

Position the first baffle.

How to install attic baffles from the outside. As a side note i have a whole house and attic fan in the attic that vent outside. Determine the size baffles you need by measuring the space between your attic s rafters. 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 baffles in an old attic 1.

It may be easiest to locate and mark them from below. Am i being worried for nothing. The temperature in the attic seams to be almost the same temperature as the outside. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.

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 in a attic where the insulation has already been installed. How to install attic rafter vent baffles step 1. If you are finishing the entire attic space place the baffle directly adjacent to the.

Staple each side to the roof deck spaced about every 4 inches. Today the outside temperature was about 90 f and the attic temperature was about 150 f. These specialty vents do not affect the. You will need a baffle for each space between the rafters.

Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each. Install attic baffles if the attic doesn t have attic baffles let s install them. Locate the soffit vents in the eaves of your home. Attic baffles how they work.

I have been told that without some kind of power ventilation in the center of the ridgeline or soffit baffles there will be stagnant air in the center of the house and the overall ventilation will not work properly. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter.