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How Much Does R40 Insulation Cost in Portland, Oregon?

Supply and install about R-40 attic insulation (blown-in, roughly 13-15 in) over the attic floor.

R40 Insulation in Portland, Oregon typically costs $1.57 to $3.81 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

R40 Insulation in Portland, Oregon

$1.57 – $3.81

per sq ft

Prices in Portland are 15.0% higher than the national average for r40 insulation.

National average: $1.40 – $3.40 per sq ft

What you get at each price level

  • Basic

    $1.33 – $3.24 per sq ft

    Loose-fill fiberglass blown over the attic floor to an R-40 settled depth, eave baffles and depth markers set

  • Standard

    $1.57 – $3.81 per sq ft

    Blown fiberglass to R-40 with rafter baffles at the eaves, hatch dam, clearance kept around flues and recessed lights

  • Premium

    $1.96 – $4.76 per sq ft

    Blown fiberglass to R-40 with rafter baffles at every eave bay, hatch dam, insulated and weatherstripped hatch, depth markers

Cost Breakdown in Portland

ComponentCategoryPrice RangeUnit
Materialsmaterial$0.66 – $1.61sq ft
Laborlabor$0.61 – $1.48sq ft
Supplies & Othersupplies$0.18 – $0.43sq ft
Equipment & Disposalequipment$0.12 – $0.29sq ft
Prices adjusted for Portland local market conditions.

Cost Factors in Portland, Oregon

What Affects Pricing

  • Materials ($0.63-$1.53 per square foot)
  • Labor ($0.49-$1.18 per square foot)
  • Supplies & Other ($0.17-$0.41 per square foot)
  • Equipment & Disposal ($0.11-$0.28 per square foot)

Local Price Adjustments

Material costs5.0% above avg
Labor costs25.0% above avg

Labor costs in Portland run proportionally higher than materials, which may favor material-heavy solutions.

Frequently Asked Questions

References

Get Free Estimates in Portland

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