Spray Foam Insulation Contractors in Montana

Climate Zone

Average Cost

$1.50 - $3.50 per sq ft

Building Code Info

Cities in Montana

Top Contractors in Montana

5.0

Montana Insulation Systems installs both closed-cell and open-cell spray foam insulation throughout...

Open CellClosed Cellstate-licensedFree Estimates

Residential · Commercial

2 servicesmontanainsulationsystems.com(406) 461-8727
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5.0

Mountain States Spray Foam provides expert spray foam insulation solutions throughout Montana, servi...

Free Estimates

Residential · Commercial

2 servicesmtstatefoam.com406-529-6751
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5.0

NextGen Spray Foam Insulation serves Montana homeowners and builders with spray foam, batt, and blow...

Free Estimates

Residential · Commercial

2 servicesnextgensprayfoaminsulation.com406-871-3729
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5.0

Spray Pros Insulation, LLC serves Montana homeowners and builders with open-cell and closed-cell spr...

gstatic.com406-698-6691
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4.8

Elite Spray Foam Insulators brings Montana homeowners a family-owned approach to closed-cell spray f...

Closed Cellstate-licensedFree Estimates
elitesprayfoaminsulators.com(406) 253-6890
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Climate Zone

6

Average Cost

$3.00-$6.50/sq ft

R-Value (Attic)

R-49

R-Value (Walls)

R-20

Climate: cold

Montana's long, cold winters and growing population in Bozeman and Billings create increasing demand for high-performance insulation.

Why Spray Foam Insulation in Montana?

Montana's long, cold winters and growing population in Bozeman and Billings create increasing demand for high-performance insulation. With a cold climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.

In Montana's 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 $3.00-$6.50 per square foot, spray foam insulation is a smart investment for Montana homeowners.

Building Code Requirements in Montana

Attic Insulation

R-49

Wall Insulation

R-20

Climate Zone

6

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

Popular Cities in Montana

BillingsMissoulaGreat FallsBozeman

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 6.

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

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