Do I Need Attic Baffles

How much does it cost to install baffles.

Do i need attic baffles. Warm air holds more moisture than cool air so the moisture we create in our homes from bathing and cooking travels to the attic. 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. Learn more at the little shop of physics at colorado state university. Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses.

Putting baffles in your attic is a crucial step in installing attic insulation. Warm air in your home rises ultimately reaching your attic. 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. 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.

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. From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting. 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. Attic baffles how they work. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.