Spray Foam Insulation Contractors in Maine

Climate Zone

Average Cost

$1.50 - $3.50 per sq ft

Building Code Info

Cities in Maine

Top Contractors in Maine

5.0

Insulation of Maine, Inc. specializes in open-cell spray foam solutions for residential new construc...

Open Cell

Residential

1 serviceinsulationofmaine.com207-460-2659
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4.9

Seal It Insulation Systems is an SPFA-certified contractor serving residential clients throughout Ma...

SPFAFree Estimates

Residential

1 servicesealit.net207-725-2468
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4.8

For three generations, Anderson Insulation of Maine has served residential, commercial, and industri...

Free Estimates

Residential · Commercial

2 servicesandersoninsulationme.com207-653-0331
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4.7

Southern Maine Spray Insulation brings decades of hands-on experience to homeowners throughout the P...

Residential

1 servicesouthernmesprayinsulation.com207-749-8314
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4.7

Evergreen Home Performance serves Maine homeowners with BPI-certified expertise in diagnosing and so...

BPI

Residential

1 serviceevergreenyourhome.com(207) 387-9839
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Climate Zone

6-7

Average Cost

$3.25-$7.00/sq ft

R-Value (Attic)

R-60

R-Value (Walls)

R-20

Climate: very cold

Maine's brutal winters and older housing stock make spray foam essential. Efficiency Maine offers significant rebates for insulation upgrades.

Why Spray Foam Insulation in Maine?

Maine's brutal winters and older housing stock make spray foam essential. Efficiency Maine offers significant rebates for insulation upgrades. With a very cold climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.

In Maine's very cold 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 $3.25-$7.00 per square foot, spray foam insulation is a smart investment for Maine homeowners.

Building Code Requirements in Maine

Attic Insulation

R-60

Wall Insulation

R-20

Climate Zone

6-7

These are minimum requirements. Higher R-values provide better performance and energy savings.

Popular Cities in Maine

PortlandBangorLewiston

Frequently Asked Questions

How much does spray foam insulation cost in this state?

Spray foam insulation typically costs $1.75-$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-60 for attics and R-20 for walls in Climate Zone 6-7.

Should I choose open-cell or closed-cell spray foam?

In a very cold climate, closed-cell is recommended for its moisture barrier and higher R-value per inch.