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TRUSTED BY CHARLESTOWN, RI HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon48
    Verified insulation services reviews

Top-Rated Insulation pros in Charlestown - Updated Nov 2026

Avatar for RJL Insulation
RJL Insulation
4.3(
171
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Charlestown, RI and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Emergency services offered

"We had a small job to redo insulation under the sun room, as old insulation was dropping. Robert replaced the insulation, put foam board over it then blocked off access to under the room as it is a raised floor off the ground, to keep critters out. Explained to us his plan before we hired him, stuck to his plan. Straight talker and hard worker. Arrives when they said they would. Very happy with this company. Would use again."
Response time10 hrs
Response rate90%
15 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Charlestown, RI and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

RJL Insulation
4.3(
200
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Charlestown, RI and surrounding areas

In business since 1985

Free estimates

Small jobs welcome

"Rob is excellent! Personable and very reasonably priced. We work during the week so he came on Saturday to install some insulation in the attic. And then came during the week while we were at work and blew in the insulation around our house. He did a great job! Our home is SO much warmer now."
Response time1 day
Recommended by94%of homeowners
Avatar for 24/7 Insulation Of New England LLC
24/7 Insulation Of New England LLC
5.0(
3
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Charlestown, RI and surrounding areas

In business since 2017

Credit card accepted

"Within one hour of contacting Angie's List, I received a call from 24/7 Insulation. They came out the very next day and gave me a very reasonable estimate. New gutters were installed in a short time, quality materials, flawless installation , professional and courteous! Couldn't be happier !"
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+1

Recommended by100%of homeowners
Avatar for Vista Home Improvement
Vista Home Improvement
4.3(
419
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Charlestown, RI and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"The technician who came was a pleasant, competent professional who examined the unfinished attic to evaluateit w/r/t insulation only or insulation as part of a full finishing of the space. He took measurements and scratched out some information on his pad.. I told him that I intended to review my options before any decision. I offered payment at that time and he told me there was no charge for this service. It struck me as odd that he told me that what I had agreed to pay $19.00 for was actually free but I asumed billing would accompany an actual report/proposal. A month on I've never seen anything like a report although I have been charged via credit card for the inspection service. Perhaps the report-recommendation is still on its way? PLEASE NOTE THAT THIS REVIEW FORM REQUIRES A YES/NO HIRE AGAIN RESPONSE. I WOULD HAVE PREFERRED TO ANSWER UNDECIDED."
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+41

Recommended by87%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Charlestown, RI and surrounding areas

In business since 1971

Credit card accepted

"I know a lot of people hate them, but they've always been, pretty much with anything that has gone wrong, they've been really responsive. We used another one previous to them, I can't remember their name, I wish I could because I really would want give them an "F". American Home Shield has been good. The last time we had something done, it was just over what our deductible was, which, I want to say, is like $100. They pretty much covered everything else, which was a few hundred dollars."
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+2

Recommended by65%of homeowners
Showing 1-10 of 24
Insulation FAQs, answered by experts

No, you should avoid using antifreeze in your outdoor spigot to prevent freezing. Antifreeze can contaminate your water supply and harm the environment. Instead, employ safer and more effective methods for winterizing your spigot, such as draining the spigot and using insulation, to protect it from freezing temperatures.

Heavily exceeding building code requirements for insulation not only wastes money on materials but can also lead to ventilation and moisture problems. In most cases, the minimum amount of insulation required by code is perfectly adequate.

The average U.S. homeowner pays $1,850 to insulate their home. However, the cost of insulation depends on the type, the size of your home, and who does the installation work. 

The cost of foam board insulation depends on whether it's made from expanded polystyrene (EPS) or extruded polystyrene (XPS). EPS has the lower price point, usually costing between $0.25 and $0.50 per board foot, while XPS costs between $0.40 and $0.50 per board foot.

Spreading tin foil over your windows works similarly to radiant barrier insulation, but not as well. It will reflect some of the sunlight that would otherwise come through the glass and warm up the inside of your home, so it might help a little to keep your home cool in the summer. However, the appearance isn’t preferable to blinds or drapes that can offer the same benefits. You might also consider tinting your windows instead, which is a more aesthetically pleasing change that can still block a good portion of the solar heat coming through your windows.

Plaster itself has a higher R-value than drywall. However, there are other considerations surrounding plaster and insulation. As a general rule, it's easier to obtain consistency in insulating value and quality when working with drywall rather than plaster. Plaster walls often don't contain any insulation behind the wall covering by design, and careful evaluation is necessary when choosing to add it.

The Charlestown, RI homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.