Roof Joist Baffles

Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.

Roof joist baffles.

Each carton contains 10 vents. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic. The ado products durovent 23 1 2 in. Rafter vent with built in baffle helps keep air moving in your attic.

By official fine homebuilding post an unanticipated problem was encountered check back soon and try again. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.

You will need a baffle for each space between the rafters. As with attic floor insulation moisture and heat removal are the reasons for creating proper air. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. Baffles should fit snugly between your rafters and extend from just over the vent at the wall plate up the rafter.

For the same reason insulation shouldn t touch the roof s underside. Rafter baffles are sheets of plastic foam or cardboard that fit between the rafters in your attic to prevent moisture accumulation and add insulation to your home. Baffles establish a channel for air to circulate between the insulation and the roof sheathing. 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.

If your roof rafters have been covered over with drywall or plywood you will have to remove it in order to install the baffles.