Attic Baffles Spray Foam

The photo above shows the scar from a power attic ventilator installed in a spray foam attic but i ve heard of several cases where roofers installed or tried to ridge vents.

Attic baffles spray foam.

Ado products durovent 23 1 2 in. They are usually made from cardboard or rigid foam board or polyvinyl chloride. Spray foam insulation is installed to cover the entire attic floor and the juncture of the attic floor the top plates and the base of the baffles. The best attic insulation.

They are manufactured from 100 recycled flame retardant pvc a material that is compatible with all insulation types including spray foam. Get your kits the easy to use spray foam kit. In brief baffles are designed to provide a channel of air to flow through specific parts of your attic. Typically made from polyvinyl chloride rigid foam board or cardboard they can be installed with a few.

100 free of cfcs vocs penta bdes urea formaldehyde. Water resistant and durable. R value of 7 in 1 inch 97 closed cell foam. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

Use closed cell foam it green for attic rafters. In addition to offering airflow in your attic space baffles keep attic insulation off your roof deck which is especially important for cold michigan winters. Loose fill fibrous insulation is installed over the spray foam on the attic floor and up against the baffles on top of spray foam insulation to full required insulation height. Attic ventilation system with built in baffle 10 carton install between rafters to provide an air channel through insulation to help keep air flowing freely.

When set into place and sealed with spray foam the vent baffles are insulated and air sealed. Class i e 84 fire retardant meets building code spec. Don t let your attic suck power attic ventilators are a. The foam baffles hold up in michigan s humidity whereas cardboard baffles can absorb moisture causing them to fall and be ineffective.

Sealed attics should not have any type of attic ventilation connecting it to the outside. The rigid foam is cut to be 2 inches wider than the space between rafters then 1 inch of foam is scored and folded over on either side of the foam creating standoffs that hold the foam away from the roof sheathing providing a space for air to flow.