However, R-value only tells part of the story. Fiberglass insulation does not provide any air sealing properties. While it does reduce air flow, closed cell spray foam insulation seals gaps and prevents air from ever entering a home. This is why spray foam is so much better at preventing heat loss which is a superior method to determine the effectiveness of insulation.
Spray foam insulation can seal even the tiniest spaces, protecting your property from air, allergens, insects, moisture and more.
Spray foam insulation provides greater indoor temperature control, improving comfort in every area of your property
Spray foam insulation can improve a building's strength by eliminating water seepage through weak or sloped spots