Spray foam vs other insulation
How spray foam compares with fiberglass, blown-in, cellulose and mineral wool, and when the other material wins.
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Spray Foam vs Fiberglass Insulation: Which Is Better for Your Home?
Spray foam vs fiberglass compared: installed cost, R-value per inch, air sealing, attics, walls, moisture, safety and when each one is worth the money.
Read the guide Updated October 19, 2026 -
Spray Foam vs Blown-In Insulation: Which Is Better for Your Home?
Spray foam vs blown-in fiberglass and cellulose: cost, R-value, air sealing, attic floor vs roof deck, hybrids and which saves more for your attic.
Read the guide Updated October 19, 2026 -
Spray Foam vs Cellulose Insulation: Which Is Better for Your Home?
Spray foam vs cellulose compared: cost, R-value, air sealing, attic floors, dense-pack wall retrofits, moisture, fire and which is better where.
Read the guide Updated October 19, 2026 -
Spray Foam vs Mineral Wool Insulation: Cost, R-Value & Which Is Better?
Spray foam vs mineral wool (Rockwool) compared: cost, R-value, fire resistance, sound, air sealing, moisture and which fits walls, attics and rim joists.
Read the guide Updated October 19, 2026
More spray foam topics
- Foam types
- Costs & calculator
- Where spray foam goes
- Problems & safety
- DIY spray foam
- Hiring a contractor
- Codes & technical
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