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Foam Board Insulation cost in Portland

How Much Does Foam Board Insulation Cost in Portland, Maine?

Supply and install rigid foam board (EPS/XPS/polyiso, ~1-2 in) on walls, basement or foundation, taped and fastened, materials and labor.

Foam Board Insulation in Portland, Maine typically costs $1.47 to $3.68 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Foam Board Insulation in Portland, Maine

$1.47 – $3.68

per sq ft

Prices in Portland are 1.0% lower than the national average for foam board insulation.

National average: $1.50 – $3.75 per sq ft

What you get at each price level

  • Basic

    $1.25 – $3.13 per sq ft

    1-1/2 in. XPS rigid foam board (about R-7.5), fastened to the wall, seams taped

  • Standard

    $1.47 – $3.68 per sq ft

    1-1/2 in. XPS rigid foam board (about R-7.5), adhesive and fasteners, staggered joints, seams taped

  • Premium

    $1.84 – $4.60 per sq ft

    1-1/2 in. XPS rigid foam board (about R-7.5), adhesive and fasteners, staggered joints, seams taped, edges and penetrations sealed with foam

Cost Breakdown in Portland

ComponentCategoryPrice RangeUnit
Materialsmaterial$0.64 – $1.64sq ft
Laborlabor$0.54 – $1.31sq ft
Supplies & Othersupplies$0.17 – $0.44sq ft
Equipment & Disposalequipment$0.12 – $0.29sq ft
Prices adjusted for Portland local market conditions.

Foam Board Insulation photo examples

  • Close-up of the cut edge of a grey expanded polystyrene foam board showing its fused beads.

    Cut edge of grey graphite EPS rigid foam insulation board showing bead structure

    Photo: Cjp24 · CC BY-SA 4.0 · Source

  • Rows of silver foil-faced rigid foam boards fastened to a sloped roof deck between wood battens.

    Foil-faced rigid foam board fastened over roof framing with wood battens

    Photo: ryochiji · CC BY 2.0 · Source

Cost Factors in Portland, Maine

What Affects Pricing

  • Materials ($0.66-$1.69 per square foot)
  • Labor ($0.54-$1.31 per square foot)
  • Supplies & Other ($0.18-$0.45 per square foot)
  • Equipment & Disposal ($0.12-$0.30 per square foot)

Local Price Adjustments

Material costs3.0% below avg
Labor costsAt national average

Frequently Asked Questions

References

Get Free Estimates in Portland

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More Cost Intelligence for Portland

Foam Board Insulation: national cost guideAll Portland cost guides

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