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Top-Rated Spray foam insulation pros in Danvers - Updated Nov 2026

Avatar for McLaughlin Weatherization
McLaughlin Weatherization
4.8(
39
)
Insulation - Install or Upgrade

Serving Danvers, MA and surrounding areas

Approved

Free estimates

Credit card accepted

Customers say: Super punctual

"Contacted McLaughlin for a quote and Bill Sovie from the company arranged to see the job for an estimate. Had to reschedule a couple of times due to weather etc, but when he got to the house he took measurements and let me know the approximate cost. He followed up a couple of days later with a written estimate, and their price was slightly less (but not substantially) than another quote I got. I asked them to get me on the schedule, and was told the office would contact me shortly. Within a day or so the office called and said they had a cancellation and could start the same week. I wasn't ready so I asked them for an alternate date which they had a week later. I scheduled the service, and they showed up when they said they would. The guys that came gave me a rundown on the job, told me I needed to be out of the house for 24 hours. They taped off the outlets, sealed all the windows etc and did a great job prepping the room. I wish they would have vacuumed out the foundation to get the 30 years of debris out, but I ended up doing it while they were prepping the room. They completely filled the bays with closed cell foam and did a great job. I had foam done a few years back with a different company, and MClaughlin's job was WAY better and more professionally done. The pictures I attached is while they were still cleaning up the job. I am super happy with their job and I would definitely hire them on my next foam insulation job."
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+1

Response time2 days
Response rate100%
9 neighbors recently requested a quote
Avatar for John P. Insulation
John P. Insulation
4.7(
28
)

Serving Danvers, MA and surrounding areas

Approved

In business since 2018

Free estimates

Small jobs welcome

"I would highly recommend John P. Insulation. I got three quotes for my insulation job and they were the most professional during the estimate. They provided pictures of what they were going to do. They fully explained the job and what I should expect. The quote was fast and equal or lass than the others. On the installation day, they arrived when they said they would, covered my floors and completed the work exactly as they said they would. I had them foam seal, blow in insulation, install soffit vents and vent a bathroom fan. You will not be disappointed in the quality."
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Attic Stair Cover build

+9

Response time2 days
Recommended by78%of homeowners
Avatar for Clean Tech Construction, LLC
Clean Tech Construction, LLC
5.0(
13
)

Serving Danvers, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

Cleantechconstruction@mi.o is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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22 neighbors recently requested a quote
Recommended by81%of homeowners
Robert Pino
4.9(
92
)

Serving Danvers, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1985

Free estimates

Warranties offered

"Bob did a great job in helping us both design and refinish our basement. He helped dismantle old fixtures and drywall before framing the entire basement. He then rebuilt our stairway to curve to another side to avoid head obstacles. He was responsive and flexible throughout. We were impressed with his work so we hired him to do additional floor leveling, floor installation, and all of the trim work. His brother did most of the work with him, which made for a cohesive crew. We would recommend Bob and his brother to anyone in need of carpentry or other home improvement jobs."
Response time4 hrs
18 neighbors recently requested a quote
Recommended by58%of homeowners
Avatar for Quality Insulation of Portsmouth
Quality Insulation of Portsmouth
5.0(
2
)

Serving Danvers, MA and surrounding areas

Approved (Corporate)

In business since 1975

Free estimates

Credit card accepted

"Quality Insulation of Portsmouth did two jobs for me: They added blown in insulation to my attic last fall and installed gutters plus leaf guards this spring. Both jobs were excellently done at a reasonable cost. I would certainly recommend them and will likely use them again in the future."
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Response time2 days
16 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)

Serving Danvers, MA 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!

Avatar for Air-Tight Weatherization, LLC
Air-Tight Weatherization, LLC
4.7(
29
)

Serving Danvers, MA and surrounding areas

In business since 2018

Free estimates

Warranties offered

"Robert was responsive, explained the foam insulation process and pricing was fair. The insulation team was on-time, professional and answered any additional questions I had."
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Christensen Project

+32

Response time2 days
Recommended by96%of homeowners
Avatar for Insul-Kings
Insul-Kings
4.2(
45
)
Insulation - Install or Upgrade

Serving Danvers, MA and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"Insul-Kings is wonderful to work with. They called in the morning to narrow the arrival time, which is very considerate. Nate and his crew arrived on time and CRANKED like a well oiled machine. I have a 4' crawl space. You can barely crouch. No problem! That's why God invented knee pads. They foamed and installed the insulation like it was their own home. It was a work of art. and came out better than I imagined. They patiently indulged my "old man" inquisitiveness. The crew represented Insul-Kings very well. I highly recommend them. This was done through the Mass Save program. So the $2100 job only cost me about $500.00"
Blower Door
Truck
Retrofitting Cellulose
Response time2 days
Response rate100%
Recommended by73%of homeowners
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FAQs for spray foam insulation projects in Danvers, MA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.