Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses.
How to install roof baffles.
Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor.
Without baffles you must keep vents clear of insulation which means.
Slide a baffle so it extends from the wall plate to the roof with the soffit vent behind it.
Step 2 in the bay.
Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space.
The baffles sole purpose is to keep insulation from blocking the airflow.
Attic rafter vent baffles are essential for the health of your roof.
Hopefully this video will give you a better understanding on baffles.
Staple the tabs of the baffle to the rafters and the wall plate spacing staples approximately 4 inches.
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If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.
To install the rafter vents staple them directly to the roof decking.
You will need a baffle for each space between the rafters.
Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.
They allow the fresh air to travel up under the roof to the ridge or gable vents keeping the roofing materials dried out and in good working order.
Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.