Attic Baffles Spray Foam

In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.

Attic baffles spray foam.

Class i e 84 fire retardant meets building code spec. 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. 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.

When set into place and sealed with spray foam the vent baffles are insulated and air sealed. 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. Typically made from polyvinyl chloride rigid foam board or cardboard they can be installed with a few. 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. They are usually made from cardboard or rigid foam board or polyvinyl chloride. 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. Water resistant and durable.

Don t let your attic suck power attic ventilators are a. R value of 7 in 1 inch 97 closed cell foam. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. 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.

The best attic insulation. Accuvent baffles are adaptable for any application roof pitch or truss size and install quickly and easily with just a few staples. 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. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

100 free of cfcs vocs penta bdes urea formaldehyde. 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.