Is Spray Foam Insulation for Existing Homes

Foam Insulation - McGlaughlin Spray Foam Insulation Inc


The insulation in existing homes is often not up to the standards of newer buildings. If you know you need to bring your house up to 21st-century heat retention standards, talk to an experienced company about spray foam insulation in Chalfont, PA.

Before committing to that upgrade, keep in mind a few things about using spray foam in an existing home.

Drywall Removal

Spray foam expands to fill the space where it is applied. Because it enlarges to create an airtight seal, make sure to remove the drywall from the studs. The foam needs room to spread. If the drywall is still in place, it can become damaged from the pressure.

Out with The Old

Old insulation could cause problems with your new installation. Spray foam doesn’t bond well with traditional styles of insulation, and when mixed, they both become less effective. You also risk the build-up of moisture inside the wall, which can lead to mold.

The Right Location

Because insulation installation can be expensive, it’s best to determine the locations most in need of an upgrade and concentrate on those areas first. There are a few spots that warrant investing in spray foam insulation:

  • Basements
  • Crawl Spaces
  • Walls
  • Attics
  • Skylight Shafts

Spray foam insulation is an excellent way to improve the energy efficiency of your home and put a dent in your heating and power bills.

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