Spray Foam Insulation
Not familiar with spray foam insulation? Like other insulation products, spray foam insulation maintains inside temps while protecting the exterior from transferring temperature.
Spray foam takes insulation one step further. While other products provide a thermal barrier, spray foam insulation also seals air leaks.
Why does this matter? Air sealing prevents air from inside your home from escaping through the cracks and crevices in your home. These exist around recessed (can) lights, plumbing stacks, electrical wires, attic hatches or doors, around chimneys or flues, and duct chases. Sealing air leaks keeps conditioned air in your home.
Open cell spray foam is typically used to insulate existing homes. Open cell spray foam typically has an R value of open cell foam is 3.7 per inch. Some other features of open cell spray foam:
- it is vapor permeable
- is able to accommodate seasonal movement
- is not a food source for mold
- dampens sound