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Metro Detroit

Air Sealing in Metro Detroit

Compare verified insulation and weatherization pros for sealing attic, basement and wall air leaks. Get free quotes, check licenses, and hire with confidence.

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0Insulation Contractors profiles
6Metro counties
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Local to Metro Detroit: Detroit, Wayne, Oakland, Macomb and more
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Before you hire

Air Sealing in Detroit: what to expect

Air sealing in Detroit targets the hidden gaps that let heated air escape and cold drafts in: holes around plumbing and wiring, open wall tops in the attic, chimney chases, rim joists in the basement, and gaps around the attic hatch. In older homes across Detroit, Livonia, Ferndale and St. Clair Shores, these leaks often waste more energy than thin insulation does.

Good crews find leaks with a blower door test and an infrared camera where available, then seal them with caulk, canned foam, rigid foam and weatherstripping. Air sealing is usually done together with attic insulation, since the attic floor has to be open to reach the biggest leaks.

Tightening a house changes how gas appliances and exhaust fans behave, so a careful contractor checks combustion safety and ventilation afterward. For a full energy audit first, see energy auditors, or compare Detroit insulation contractors.

What a proper job includes

  • Blower door test before and after sealing, when offered
  • Attic bypass sealing at top plates, chases and penetrations
  • Rim joist and sill sealing in the basement
  • Attic hatch or pull-down stair weatherstripping and insulation
  • Sealing around recessed lights with rated covers or fixtures
  • Combustion appliance and carbon monoxide safety check
  • Written list of sealed areas and test results

What drives the price

  • House size, age and number of stories
  • How many leaks and how accessible they are
  • Whether existing attic insulation must be moved or removed
  • Blower door and infrared testing
  • Materials: caulk, foam, rigid board and weatherstripping
  • Ventilation or combustion safety fixes found during testing
  • Bundling with attic or basement insulation

Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.

Permits and licensing in Michigan

Air sealing is generally treated as an ordinary repair and usually does not need a building permit. Changes to venting, exhaust fans or gas appliances are mechanical work that may need a permit and a licensed contractor, so confirm with the local building department (BSEED in Detroit). If the attic contains vermiculite, do not let anyone disturb it until it is handled as possible asbestos.

Paid residential insulation work above a threshold set by state law requires a LARA license: a Maintenance & Alteration Contractor license that lists Insulation, or a Residential Builder license. Check the number on the LARA lookup. Ask whether the air sealing qualifies for any utility rebate before work starts.

Verify: LARA license lookup MIOSHA asbestos abatement contractor licensing Detroit BSEED How We Vet

How to compare quotes

  1. Ask whether a blower door test is included before and after.
  2. Get the list of areas to be sealed in writing.
  3. Ask how they check gas appliances and carbon monoxide afterward.
  4. Compare whether attic insulation is included or quoted separately.
  5. Check the license on the LARA lookup and ask for proof of insurance.

Ready to get started?

Tell us once. Rebuild Detroit routes your request to Metro Detroit insulation contractors.

Common questions

Air Sealing FAQ

It depends on house size and age, how many leaks there are and how easy they are to reach, testing, materials, and whether it is bundled with insulation work.
Usually yes. Older homes often have large hidden leaks at the attic floor and basement rim joists, and sealing them reduces drafts and helps new insulation perform.
A tighter house needs working exhaust fans and properly venting appliances. A careful contractor checks combustion safety and ventilation after sealing.
Air sealing alone is usually an ordinary repair without a permit. Venting, fan or gas appliance changes may need one, so check with your local building department.

Get air sealing quotes from local pros

Compare Metro Detroit insulation contractors and confirm credentials, scope and cost drivers before you hire.

Call (833) 313-2434