Spray Foam Insulation Contractors in California
Climate Zone
Average Cost
$1.50 - $3.50 per sq ft
Building Code Info
Cities in California
Top Contractors in California
Cut Above Insulation Pros
Los Angeles, California
Cut Above Insulation Pros installs spray foam insulation for both homes and businesses throughout Lo...
Residential · Commercial
Get a Free QuoteAir Tight Insulation of Los Angeles
Los Angeles, California
Air Tight Insulation of Los Angeles specializes in spray foam insulation solutions tailored to South...
Residential · Commercial
Get a Free QuoteUSA Spray Me Spray Foam Insulation Contractor
Los Angeles, California
USA Spray Me is a state-licensed spray foam insulation contractor serving Los Angeles and surroundin...
Residential · Commercial
Get a Free QuoteAtlas Insulation Los Angeles County
Los Angeles, California
Atlas Insulation serves Los Angeles County with both residential and commercial spray foam insulatio...
Residential · Commercial
Get a Free QuoteAttic Insulation Los Angeles
Los Angeles, California
Specializing in attic insulation solutions throughout Los Angeles, this contractor serves both exist...
Residential · Commercial
Get a Free QuoteClimate Zone
2-4
Average Cost
$3.50-$7.50/sq ft
R-Value (Attic)
R-38 to R-49
R-Value (Walls)
R-13 to R-21
Climate: varied (coastal to desert)
California's Title 24 energy code is among the strictest in the US. Spray foam helps meet these demanding standards while qualifying for state energy rebates.
Why Spray Foam Insulation in California?
California's Title 24 energy code is among the strictest in the US. Spray foam helps meet these demanding standards while qualifying for state energy rebates. With a varied (coastal to desert) climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.
In California's varied (coastal to desert) conditions, spray foam provides superior performance compared to traditional insulation materials. This can lead to substantial savings on heating and cooling costs throughout the year.
With average costs ranging from $3.50-$7.50 per square foot, spray foam insulation is a smart investment for California homeowners.
Building Code Requirements in California
Attic Insulation
R-38 to R-49
Wall Insulation
R-13 to R-21
Climate Zone
2-4
These are minimum requirements. Higher R-values provide better performance and energy savings.
Popular Cities in California
Frequently Asked Questions
How much does spray foam insulation cost in this state?
Spray foam insulation typically costs $1.50-$4.00 per square foot, depending on the type (open-cell vs closed-cell) and project scope.
What R-value is required for insulation?
Current building codes require R-38 to R-49 for attics and R-13 to R-21 for walls in Climate Zone 2-4.
Should I choose open-cell or closed-cell spray foam?
In a varied (coastal to desert) climate, both types work well — open-cell for interior walls and closed-cell for exterior or moisture-prone areas.