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.

Do i need attic baffles.

To completely cover your attic floor with insulation out to the eaves you needto install raftervents also called insulation baffles. Rather than baffle you with too much information here s why you need attic baffles. Basic functions of baffles baffles are chutes that when installed properly can provide a channel for air to flow from your exterior soffit vents up into your attic space. Warm air holds more moisture than cool air so the moisture we create in our homes from bathing and cooking travels to the attic.

How much does it cost to install baffles. Learn more at the little shop of physics at colorado state university. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. 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.

Attic rafter vent baffles are essential for the health of your roof. 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. Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses. Attic baffles how they work.

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. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting.