Roofing Vent Baffles

Attach this roof and attic insulation treatment using foam baffles to ventilate insulate and channel cold and hot air to roof vents before insulation is add.

Roofing vent baffles.

They are usually made from cardboard or rigid foam board or polyvinyl chloride. Durovent durovent 22 in x48 in raft vent 10 pack. They can create deeper ventilation channels for example and can be sturdier. Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space.

In brief baffles are designed to provide a channel of air to flow through specific parts of your attic. If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before it can traverse the attic. The entire length of the vent channel is 65. Is the most economical way to ventilate your roof and block out the wind and rain.

If you re insulating a cathedral ceiling and need to maintain an air sealed vent space from the soffit all the way to the ridge you could use plastic baffles stapled into place between the rafters and try to air seal them but there s a better way. And to further clarify the structure is built. Roof deck is on as well as roofing material so i m well beyond the point of considering applying insulation to the top of the roof deck. The baffles sole purpose is to keep insulation from blocking the airflow.

Without baffles you must keep vents clear of insulation which means. When bob kelly of kensington nh had to insulate a cathedral ceiling he came up with a clever way of using rigid foam as his vent baffle so. A water resistant baffle is incorporated into the number one selling vent in the industry allowing for a one step rafter vent and baffle installation. The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit.

Site built ventilation baffles can be made out of rigid foam. Site built baffles have several possible advantages over manufactured baffles. Baffles venting a finished attic with a soffit to ridge vent system requires the use of baffles in every rafter space. Item 1571672 model xudv2248.