For improved air circulation in the attic, install the Durovent 22 in. x 48 in. Rafter Vent (10-Pack). It can be cut to fit most joist spaces and is an affordable way to meet energy-code requirements for air flow. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.

For improved air circulation in the attic, install the Durovent 22 in. x 48 in. Rafter Vent (10-Pack). It can be cut to fit most joist spaces and is an affordable way to meet energy-code requirements for air flow. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.