Attic insulation
Blown-in fiberglass and cellulose, with removal, air sealing and baffles addressed as needed.
Explore attic insulation →Spray foam, fiberglass and cellulose insulation for Southeast Michigan homes and businesses. From existing homes to remodels and new construction, let us help with your next project.
Attics · Walls · Crawlspaces · Residential & commercial

From an underinsulated attic to drafty rim joists, we look at the whole area before recommending the work.
Blown-in fiberglass and cellulose, with removal, air sealing and baffles addressed as needed.
Explore attic insulation →Closed-cell spray foam for walls, rooflines, rim joists and other suitable project areas.
Explore spray foam →Fiberglass batts for framed walls and ceilings, plus blown-in fiberglass for attic projects.
Explore fiberglass insulation →Cellulose insulation for existing wall cavities, including exterior access where suitable.
Explore dense-pack walls →Crawlspace insulation, encapsulation and vapor barriers, with rim joist sealing options.
Explore crawlspaces & rim joists →Old insulation removal and cleanup to prepare the space for a fresh installation.
Explore removal & sanitation →Attic air sealing, baffles and soffit ventilation tailored to the space.
Explore air sealing & ventilation →Insulation for business spaces, new homes, additions and remodeling projects.
Explore commercial & new construction →Actual photos from Thermaltech projects. Explore fiberglass, spray foam, attic insulation and crawlspace work.








Insulation works best when the preparation, coverage, and airflow are considered together.
Tell us what is happening in your home. We review access, existing insulation, and the problem areas.
We explain the recommended materials and work so you know what your estimate covers.
Our crew prepares the area and installs the agreed insulation with attention to the important details.
Had insulation work completed by Thermaltech? Share your experience with other homeowners.
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Based in Roseville, we serve communities across Macomb, Oakland, Wayne and St. Clair counties. Tell us your city when requesting an estimate so we can confirm availability for your location.
Call 586-201-7645 to check your areaTell us your city and what you need insulated. Submit your request here, and our team will follow up to discuss your project.
586-201-7645
Prefer to talk? Give us a call.
Senior & military discounts available.
Ask about eligibility when discussing your estimate.