GR Insulation Corp | Insulation Service in Boston - MA
Insulation in Hanover, MA · ★ 5.0 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 358 Circuit St Unit 6, Hanover, MA 02339
- Phone
- (508) 332-6070
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About GR Insulation Corp | Insulation Service in Boston - MA
GR Insulation Corp | Insulation Service in Boston - MA is a Insulation contractor based in Hanover, Plymouth County, Massachusetts, at 358 Circuit St Unit 6, Hanover, MA 02339. It has a Google rating of 5.0 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Hanover, GR Insulation Corp | Insulation Service in Boston - MA is within a short drive of Rockland (3 mi), Hanson (4 mi), Whitman (4 mi), Pembroke (4 mi), Norwell (5 mi) and Abington (5 mi). Most Massachusetts insulation contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a Insulation contractor in Hanover
Insulation in Hanover usually needs no standalone building permit, but the contractor should carry a Massachusetts Home Improvement Contractor (HIC) registration, with a Construction Supervisor License (CSL) for related structural work. Mass Save jobs must run through a participating, approved contractor for the incentive to apply. Spray foam has to meet the state fire and ignition-barrier code with a proper barrier. For most Hanover homes the work is straightforward, with no town-specific historic hurdle for interior insulation.
South Shore pricing in Hanover sits near the eastern-Massachusetts average. As of recent cycles, attic insulation typically runs $1,500 to $4,000, dense-pack wall insulation $2,000 to $6,000, and air sealing roughly $300 to $1,500, with spray foam higher per square foot. Mid-century ranches often need more attic work, while older homes need wall dense-pack. Because Hanover is a Mass Save town, the 75 to 100 percent incentive can bring net out-of-pocket close to zero once the assessment approves the scope.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential insulation work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other insulation contractor serving the town, on the Insulation in Hanover page.
See all Insulation in Hanover.