Basic
$1.93 – $3.21 per sq ft
1-1/2 in. XPS foam board (about R-7.5) fastened with cap fasteners, seams taped

Photo: Forest Service - Northern Region · Public domain · Source
Rigid Insulation: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Rigid Insulation in Baltimore, Maryland typically costs $2.27 to $3.78 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Baltimore are in line with the national average for rigid insulation.
National average: $2.26 – $3.77 per sq ft
$1.93 – $3.21 per sq ft
1-1/2 in. XPS foam board (about R-7.5) fastened with cap fasteners, seams taped
$2.27 – $3.78 per sq ft
1-1/2 in. XPS foam board (about R-7.5) adhesive-set and cap-fastened, seams taped, edges sealed with foam
$2.83 – $4.72 per sq ft
1-1/2 in. XPS foam board (about R-7.5) adhesive-set and cap-fastened, seams taped, edges and penetrations foam-sealed, cut tight
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.04 – $1.73 | sq ft |
| Labor | labor | $0.77 – $1.28 | sq ft |
| Supplies & Other | supplies | $0.28 – $0.46 | sq ft |
| Equipment & Disposal | equipment | $0.18 – $0.31 | sq ft |
Foil-faced rigid foam boards covering the walls and roof of a small cabin
Photo: ryochiji · CC BY 2.0 · Source
Find a pro to do thisWhite rigid polystyrene insulation boards fixed to an apartment building facade
Photo: Manforowicz · CC0 · Source
Find a pro to do thisMaterial costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
BuildX Pro researches and reviews the national price range for Rigid Insulation, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
Connect with local rigid insulation contractors in Baltimore for personalized quotes based on your specific project.