Air Baffle Attic Insulation

That airflow is intended to churn the stale air in.

Air baffle attic insulation.

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. Water resistant and durable. Cathedral vaulted or any ceiling that has insulation blocking the airflow from the soffit vents to the attic needs an attic baffle in each rafter bay. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.

Without an attic baffle there will not be any air space for fresh air to enter the attic from the soffit vents. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. The main function of an attic baffle is to draw the air in from outside your home and allowing it to circulate around your attic. Putting baffles in your attic is a crucial step in installing attic insulation.

The number one prep step. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic. Attic ventilation system with built in baffle 10 carton install between rafters to provide an air channel through insulation to help keep air flowing freely.

Ado products durovent 23 1 2 in. It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. As with attic floor insulation moisture and heat removal are the reasons for creating proper air movement.

Without this air movement any moisture that gets into. Run baffles the entire length of the rafter bay from the soffit vent to the ridge vent. For improved air circulation in the attic install the durovent 22 in. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.

How to install attic rafter vents and baffles. The gable of your house must have openings to allow fresh air to enter and stale air to exit. Without fresh air from the soffit vents your roof top vents such as. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.