Purpose Of Attic Baffles

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

Purpose of attic baffles.

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. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Why attic baffles are so baffling. Proper air circulation in the attic is all about preventing moisture buildup.

Attic baffles play an important role keeping your home comfortable and safe. How important is using baffles in attic insulation. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.

You can situate the baffles where the circulation is mainly required. 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 the road. Air circulation is crucial especially in the attic. Installing them in your attic can improve ventilation by encouraging proper airflow through the attic.

During the summer soffit and gable vents draw. From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting. Make sure the fill s depth is uniform across the attic. Attic baffles how they work.

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. 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. The importance of air circulation in your attic. Although they aren t found in all residential and commercial attics baffles offer several unique benefits that are found elsewhere.

That airflow is intended to churn the stale air in your attic which helps to remove moisture and control the temperature of your attic. Installers place a rafter vent into the void between each set of roof rafters. They keep space clear so fresh air can flow from the soffits under your roof eaves to the vents at or near the top of your roof illustrated by the red arrow above.