Spray Foam Insulation Contractors in Delaware
Climate Zone
Average Cost
$1.50 - $3.50 per sq ft
Building Code Info
Cities in Delaware
Top Contractors in Delaware
Delmarva Spray Foam
Delaware, Delaware
Delmarva Spray Foam serves the Delaware market with both closed-cell and open-cell spray foam soluti...
Residential · Commercial
Get a Free QuoteDelaware Spray Foam
Delaware, Delaware
Delaware Spray Foam is a family-owned and operated insulation contractor serving residential, commer...
Residential · Commercial · Agricultural
Get a Free QuoteKoala Insulation of Newark
Delaware, Delaware
Koala Insulation of Newark delivers spray foam insulation solutions to both commercial and residenti...
Residential · Commercial
Get a Free QuoteAmira Contracting Inc
Delaware, Delaware
Amira Contracting Inc is a state-licensed spray foam contractor serving Delaware residential and com...
Residential · Commercial
Get a Free QuoteDixie's Insulation, LLC.
Delaware, Delaware
Dixie's Insulation, LLC specializes in retrofit spray foam applications for Delaware homeowners look...
Residential
Get a Free QuoteClimate Zone
4
Average Cost
$3.00-$6.50/sq ft
R-Value (Attic)
R-49
R-Value (Walls)
R-20
Climate: moderate
Delaware's Energize Delaware program offers rebates for insulation upgrades, making spray foam more affordable for homeowners.
Why Spray Foam Insulation in Delaware?
Delaware's Energize Delaware program offers rebates for insulation upgrades, making spray foam more affordable for homeowners. With a moderate climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.
In Delaware's moderate 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 $3.00-$6.50 per square foot, spray foam insulation is a smart investment for Delaware homeowners.
Building Code Requirements in Delaware
Attic Insulation
R-49
Wall Insulation
R-20
Climate Zone
4
These are minimum requirements. Higher R-values provide better performance and energy savings.
Popular Cities in Delaware
Frequently Asked Questions
How much does spray foam insulation cost in this state?
Spray foam insulation typically costs $1.50-$3.50 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-49 for attics and R-20 for walls in Climate Zone 4.
Should I choose open-cell or closed-cell spray foam?
In a moderate climate, both types work well — open-cell for interior walls and closed-cell for exterior or moisture-prone areas.