Low-density spray foam is an effective way to insulate walls, unventilated attics, ducts, and ceilings. It is an air barrier that is permeable to vapor and moisture. Holes in the ceiling are a common source of heat loss, and aerosol foam is the best option for sealing them. This type of insulation can reach all the way to the edge of fittings or vents, and it swells and fills the holes.
It is also very effective for use on roofs, as it creates an R value of about 3.5 to 3.6 per inch. When adding spray foam insulation to a mezzanine, it is important to remove all the old insulation first. DIYers and professionals can spray this insulation between struts, beams, and other spaces, and the formula expands to fill all the small spaces that fiberglass blocks might not reach. It is also important to seal everything, including the ceiling vents.
The structure of the insulating material can help act as additional support for the roof and improve its longevity. The application process involves spraying a mixture of chemicals onto ceiling surfaces. Polyurethane spray foam (SPF) contains the chemicals isocyanate and resin. When these two chemicals are mixed together, the product turns into a foamy substance that expands and eventually hardens after a while.
Adding spray foam insulation is one of the most effective ways to make a home more comfortable and energy efficient. It helps keep moisture out, and it can help HVAC systems operate more efficiently. It is also easy to install and does an excellent job of sealing even the smallest cracks that let in outside air. This buying guide for aerosol foam insulation will explain the points that people considering this insulation should know.
If you are considering hiring a professional for the job, they will be able to adapt the mixture to ensure that the foam works optimally. As part of the RetroFoam of Michigan family, Amanda uses her experience as a journalist to write content that helps educate homeowners about the benefits of foam insulation.