Roofing Vent Baffles

Site built baffles have several possible advantages over manufactured baffles.

Roofing vent baffles.

Is the most economical way to ventilate your roof and block out the wind and rain. Without baffles you must keep vents clear of insulation which means. 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. They can create deeper ventilation channels for example and can be sturdier.

The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. 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. Durovent durovent 22 in x48 in raft vent 10 pack. The baffles sole purpose is to keep insulation from blocking the airflow.

And to further clarify the structure is built. They are usually made from cardboard or rigid foam board or polyvinyl chloride. Item 1571672 model xudv2248. In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.

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. Site built ventilation baffles can be made out of rigid foam. 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. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

Baffles venting a finished attic with a soffit to ridge vent system requires the use of baffles in every rafter space. 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. My rafters are a full 10 deep so the vent channel is acutally 1 3 4 i m using 1 4 luan for the baffle material. They can also be assembled from thin plywood or fiberboard sheathing.