Purpose Of Attic Baffles

Why attic baffles are so baffling.

Purpose of attic baffles.

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. Attic baffles play an important role keeping your home comfortable and safe. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. That airflow is intended to churn the stale air in your attic which helps to remove moisture and control the temperature of your attic.

To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. 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. Attic baffles how they work. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.

How important is using baffles in attic insulation. Some people assume baffles serve no real purpose but this simply isn t true. Make sure the fill s depth is uniform across the attic. 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.

Although they aren t found in all residential and commercial attics baffles offer several unique benefits that are found elsewhere. 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. The importance of air circulation in your attic. Installers place a rafter vent into the void between each set of roof rafters.

Proper air circulation in the attic is all about preventing moisture buildup. Rafter vents may also be known as insulation baffles because they are generally installed as part of the insulating process. During the summer soffit and gable vents draw. You can situate the baffles where the circulation is mainly required.

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. From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting. Air circulation is crucial especially in the attic.