Roof Joist Baffles

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Roof joist baffles.

For improved air circulation in the attic install the durovent 22 in. 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. 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. The ado products durovent 23 1 2 in. As with attic floor insulation moisture and heat removal are the reasons for creating proper air. Rafter baffles should be installed before dry wall or insulation.

Each carton contains 10 vents. Rafter vent with built in baffle helps keep air moving in your attic. 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. 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.

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. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.

For the same reason insulation shouldn t touch the roof s underside.