Roof Joist Baffles

Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.

Roof joist baffles.

Baffles establish a channel for air to circulate between the insulation and the roof sheathing. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. For the same reason insulation shouldn t touch the roof s underside. If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.

By official fine homebuilding post an unanticipated problem was encountered check back soon and try again. Each carton contains 10 vents. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. For improved air circulation in the attic install the durovent 22 in.

Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. Make your own rigid foam roof vent baffles a simple cutting tool made with scraps of wood and a utility knife blade allows you to make baffles to put between your rafters for a better insulation job. The ado products durovent 23 1 2 in. Step 2 in the bay.

As with attic floor insulation moisture and heat removal are the reasons for creating proper air. Rafter vent with built in baffle helps keep air moving in your attic. Baffles should fit snugly between your rafters and extend from just over the vent at the wall plate up the rafter. You will need a baffle for each space between the rafters.

The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.