Skip to main content
BuildX Pro

How Much Does R20 Insulation Cost in Portland, Maine?

Supply and install R-20 insulation (2x6 wall batts or equivalent blown/dense-pack) in exterior wall cavities.

R20 Insulation in Portland, Maine typically costs $1.08 to $2.55 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

R20 Insulation in Portland, Maine

$1.08 – $2.55

per sq ft

Prices in Portland are 1.0% lower than the national average for r20 insulation.

National average: $1.10 – $2.60 per sq ft

What you get at each price level

  • Basic

    $0.92 – $2.17 per sq ft

    R-20 fiberglass batts friction-fit in 2x6 wall cavities, cut around boxes and pipes

  • Standard

    $1.08 – $2.55 per sq ft

    Kraft-faced R-20 batts stapled to studs, split around wiring, cut tight at boxes, top and bottom plates fully filled

  • Premium

    $1.35 – $3.19 per sq ft

    Kraft-faced R-20 batts stapled to studs and fitted without gaps, split around wiring, cut tight at boxes, plates fully filled, window gaps filled

Cost Breakdown in Portland

ComponentCategoryPrice RangeUnit
Materialsmaterial$0.49 – $1.13sq ft
Laborlabor$0.37 – $0.91sq ft
Supplies & Othersupplies$0.15 – $0.30sq ft
Equipment & Disposalequipment$0.07 – $0.20sq ft
Prices adjusted for Portland local market conditions.

Cost Factors in Portland, Maine

What Affects Pricing

  • Materials ($0.51-$1.17 per square foot)
  • Labor ($0.37-$0.91 per square foot)
  • Supplies & Other ($0.15-$0.31 per square foot)
  • Equipment & Disposal ($0.07-$0.21 per square foot)

Local Price Adjustments

Material costs3.0% below avg
Labor costsAt national average

Frequently Asked Questions

References

Get Free Estimates in Portland

Connect with local r20 insulation contractors in Portland for personalized quotes based on your specific project.

More Cost Intelligence for Portland