Baffles In Attic With Expanding Foam

Earlier this year i got a question about a home that had spray foam insulation in the attic.

Baffles in attic with expanding foam.

Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. If your baffles extend all the way down to the soffit vents prevent air from escaping through the joints between the vents and the baffles by spraying spray foam where the. Typically made from polyvinyl chloride rigid foam board or cardboard they can be installed with a few. It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot.

Putting baffles in your attic is a crucial step in installing attic insulation. The foam baffles hold up in michigan s humidity whereas cardboard baffles can absorb moisture causing them to fall and be ineffective. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. This guide covers the installation of this valuable.