Roof Joist Baffles

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

Roof joist baffles.

It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. You will need a baffle for each space between the rafters. Rafter vent with built in baffle helps keep air moving in your attic. Rafter baffles should be installed before dry wall or insulation.

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. Baffles establish a channel for air to circulate between the insulation and the roof sheathing. For the same reason insulation shouldn t touch the roof s underside. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.

Step 2 in the bay. 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. For improved air circulation in the attic install the durovent 22 in. By official fine homebuilding post an unanticipated problem was encountered check back soon and try again.

Baffles should fit snugly between your rafters and extend from just over the vent at the wall plate up the rafter. 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. The ado products durovent 23 1 2 in. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles.

Each carton contains 10 vents.