Attic Baffles For Blown In Insulation

In order to make this kind of roof assembly work insulation baffles or insulation chutes are necessary especially if the attic is going to have any kind of significant amount of insulation in particular blown in insulation that could potentially move around and block off the soffit ventilation from the attic thereby short circuiting air flow from the soffits through the roof s ridge vent.

Attic baffles for blown in insulation. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Lay strips of 3 4 inch plywood that are at least 24 inches wide across the floor of the attic. Don t be baffled by baffles. You d need a thickness of.

How to keep blow in insulation out of soffits 1. Basic functions of baffles. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. 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.

This way you can blow insulation into the roof or lay batt insulation without having to worry about the insulation getting into the soffit and blocking the soffit eave vent. Set the baffles inside the attic opening along with a loaded staple gun. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes. The attic insulation baffles that we ll be installing will make sure that there s adequate air flow from the soffit vents.

For the same reason insulation shouldn t touch the roof s underside. The baffles make sure that the blown in insulation stays put so there s no wind washing. You need one baffle for each of the soffit. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles.

They will also allow us to maximize our blown in insulation without worrying about obstructing the air flow. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Typically made from polyvinyl. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.

Baffles provide a channel for air to flow through certain parts of the attic. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. 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.