Insulation Services in Dayton, OH

Compare 22 insulation services contractors near you in Dayton and surrounding area with an average rating of 4.4/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 23, 2026

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M K Moore & Sons Inc

Ohio Spray Foam Insulation

6 years online
ohiosprayfoaminsulation.net/spray-foam-insulation-dayton-ohio

Spray Foam Innovations Dayton

sprayfoaminnovationsdayton.blogspot.com

Alloyd Insulation

5.026½+ years online
alloydco.com

CRASH Attic Insulation & Roofing Services Inc, OH

5.0

Ohio Insulation & Manufacturing Co

5.0

Pro-safe

5.027½+ years online
pro-safe.com

Spray Foam Insulation Cincinnati

4.98 years online
sprayfoaminsulationcincinnati.com

General Insulation Company, Inc.

4.825 years online
generalinsulation.comGet a Free Quote

Dayton Spray Foam Insulation

4.68 years online
daytonsprayfoaminsulation.com

L&W Supply - Dayton, OH

4.627+ years online
lwsupply.com/locations/lw-supply-daytonGet a Free Quote

Liberty Co., Inc.

4.520+ years online
libertyinsulation.com

USA Insulation of Dayton

4.421+ years online
usainsulation.net/dayton

United Building Materials

4.126+ years online
unitedbuildingmaterials.com/s/content/dayton-oh-yardGet a Free Quote

Fox Foam

4.0

31W

3.226+ years online
31w.com

Equipment Insulation Inc

1.0

Insulation Services in Nearby OH Cities

Insulation Services in Dayton, OH

Dayton, Ohio insulation contractors handle a market with hot humid summers, cold winters, and the practical demand for assemblies that deliver high R-values without trapping moisture in walls common to older Montgomery County homes. Closed-cell spray foam dominates new construction along with R-21+ batts in 2x6 walls, while existing Dayton homes lean toward fiberglass batt upgrades plus blown cellulose or spray foam in attic floors. Ohio residential energy code requires R-49 attics and R-20 walls. Dayton Power & Light offers prescriptive insulation rebates of $0.15-0.30/sq ft for upgrades exceeding code minimums.

Dayton's older neighborhoods—South Park, Oregon District, McPherson Town—have many homes built before 1940 with minimal wall insulation original to construction. Blown-in cellulose or fiberglass through carefully drilled access holes adds R-13-R-15 in 2x4 walls without major drywall disruption. The high humidity also drives demand for vapor-managing assemblies that prevent moisture migration into older wall cavities.

Frequently Asked Questions

Can I insulate my old Dayton home?
Yes, blown-in cellulose or fiberglass through carefully drilled access holes adds R-13-R-15 in 2x4 walls without major drywall disruption. Closed-cell spray foam works for limited areas where moisture management is critical. Reputable installers verify wall cavity condition with infrared imaging before quoting blown-in work.
What about basement insulation?
Basement rim joists are often the largest single source of heat loss in older Dayton homes. Closed-cell spray foam at rim joists adds R-13-R-21 in just 2-3 inches and stops air infiltration that drives heating costs. Below-grade walls can be insulated with rigid foam or spray foam to R-15-R-21.
Does DP&L offer rebates?
Yes, Dayton Power & Light offers prescriptive insulation rebates of $0.15-0.30/sq ft for attic, wall, and basement insulation upgrades. Federal IRA tax credits cover 30% of qualifying insulation costs up to $1,200 annually. Reputable installers handle the rebate paperwork on the homeowner's behalf.

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