Serving the Southcoast Since 1951

(508) 992-5770

Free Estimates

Mon-Fri: 8:00AM-5PM

Office Hours


Blown In Rockwool Insulation

Rockwool insulation is a GREEN product designed to be blown into celings and walls of new and existing homes.

  • Higher R-value: R-16 in 4 inch stud space R-38 in attic (9-10 inches)
  • Guaranteed against defect or settling for the life of the building
    Fireproof: Non combustible, made at 3,000 degrees Fahrenheit
  • Non-hydroscopic: will not absorb moisture
    Will not support fungus growth: Passed ASTM E 1338 Fungus resistant test
  • Will not house insects or varmints: Inedible and abrasive qualities deter unwelcome guests
  • Superior sound reduction: Higher density insulation provides the best noise reduction

Insulation Options

Attic Insulation

JM of New Bedord Co. has been insulating thousands of houses since 1951 and those that just insulated their attics saved on average 30%

Wall Insulation

Side wall insulation is not only good for reducing your energy bills, but it will also make you more comfortable in your home.

Basement / Crawl Space

Basement ceiling insulation is important to keep cold air out and floors warm on first floor. Many drafts enter a home through its basement.

Insultation Certifications

Massachusetts Certified Home Improvement Contractor (HIC) | Licensed | Construction Supervisor (Unrestricted) | BPI Certified | Nstar & National | Grid Certified Contractor through Masssave | EPA Lead-Safe Certified Firm | EPA Lead-Safe Certified Contractor

We provide FREE estimates and no project is too small.


Call Today

(508) 992-5770


423 Coggeshall St. New Bedford, MA


Monday-Friday 8am-5pm

Serving Southeastern, MA, Greater Boston & Cape Cod