The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.
How to install attic baffles from the outside.
Staple each side to the roof deck spaced about every 4 inches.
Install attic baffles if the attic doesn t have attic baffles let s install them.
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.
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.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.
These specialty vents do not affect the.
How to install baffles in an old attic 1.
Locate the soffit vents in the eaves of your home.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
Attic baffles how they work.
Today the outside temperature was about 90 f and the attic temperature was about 150 f.
Measure the distance between your rafters and purchase enough rafter vent baffles to install one over each.
Position the first baffle.
As a side note i have a whole house and attic fan in the attic that vent outside.
Am i being worried for nothing.
If you are finishing the entire attic space place the baffle directly adjacent to the.
How to install attic rafter vent baffles step 1.
Determine the size baffles you need by measuring the space between your attic s rafters.
The temperature in the attic seams to be almost the same temperature as 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.
You will need a baffle for each space between the rafters.