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.
Do i need attic baffles.
Raftervents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.
Learn more at the little shop of physics at colorado state university.
Putting baffles in your attic is a crucial step in installing attic insulation.
The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.
Warm air holds more moisture than cool air so the moisture we create in our homes from bathing and cooking travels to the attic.
From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting.
To completely cover your attic floor with insulation out to the eaves you needto install raftervents also called insulation baffles.
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.
Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses.
How much does it cost to install baffles.
Attic rafter vent baffles are essential for the health of your roof.
Rather than baffle you with too much information here s why you need attic baffles.
If you want to insulate the rafter bays rather than the attic floor in order to make the attic a heated space baffles are even more important for proper air circulation.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
Attic baffles how they work.
Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.