Spray Foam Insulation in Portland, ME

Find top-rated spray foam contractors and save up to 37% on energy bills

💰 Estimated Energy Savings in Portland

37%
Average Energy Savings
Typical range: 32% - 42%
$1,732
Estimated Annual Savings
Based on $390/month average energy cost
4 years
Average Payback Period
Return on investment timeline

Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Very Cold.

Verified Contractors in Portland

Portland Insulation Inc

Direct: 2079264442

5
2 Google reviews

Recent Reviews:

Libby Isaac★★★★★a year ago

Jan Mulherin★★★★★5 years ago

Western Maine Insulation Co

Direct: 2076933585

5
9 Google reviews

Recent Reviews:

Kevin Mullen★★★★★3 years ago

We have used these guys a few times and have been very pleased. Family run and great service. Thanks guys Kevin Mullen

Reed Martin★★★★★7 years ago

Gordon did a fantastic job insulating the second floor of my camp in Brigdton. His work was neat, clean, and efficiently done! Gordon's price was more than fair too-- HIGHLY recommended!!

Debbi Brown★★★★★13 years ago

Gordon is very professional. Always returns calls, shows up when he says he'll be there and the job is done efficiently and on time. I've used him 4 times now on projects and he is great. I've also referred him to many friends and everyone says he and his crew do great work. They clean up after too! big plus these days.

New England Spray Foam Insulation

Specialist

Direct: 8889984326

5
1 Google reviews

Recent Reviews:

Joe Osgood★★★★★5 years ago

Great team

Spray Foam Of Maine

Specialist

Direct: 2077243746

5
5 Google reviews

Recent Reviews:

Donald McGrath★★★★★8 months ago

From Mike in the office and Aaron and Joe in the field the communication, attention to detail, workmanship and professionalism were outstanding. A five star rating doesn’t do them justice. If I could give them 50 stars I would!! And their price was much lower than the 4 other quotes that I received. Thanks so very much gentleman!!!

Andrew Catapano★★★★★a year ago

Aaron and Mike worked with us for a looongtime as we got our basement space dry enough for install. Quote was fair and communication was consistent. Could not recommend enough. Aaron, the head installer, was particularly great to work with.

J.M.B★★★★★4 years ago

Incredibly efficient & professional company from the owner, Bob, who explains a detailed estimate to the office manager, Mike, who follows up to make sure all is in order to the installer Aaron, who provides a clean and impeccable result. I highly recommend Spray Foam of Maine if you want it done right! It is now a week later. We could not be happier, AAron insulated our cellar ceiling. The house is so warm we are having to relearn how to stoke the wood stove! Floor is 10-15 degrees F warmer. Can't believe the results.

Acadia Insulation, LLC

Direct: 2073125002

5
6 Google reviews

Recent Reviews:

Carrie Plourde★★★★★5 months ago

Acadia was such a pleasure to work with! From reaching out for a quote, to Brian coming to review what we needed, to the regular communication and quick responses, and to the guys that came out to do the work, everything far exceeded my expectations! The two workers were fast and thorough, getting a 40'x40'x12' building complete within 2 days! Everyone was pleasant to work with and not only did they do an excellent job, they cleaned up the area so well too. I am grateful for the work that was done and love the paint added, it matches the building well and will serve as a great fire barrier to the spray foam insulation. Going with 3" spray foam insulation was a great choice, it really made the building solid and I'm confident this will serve us well for the winter months ahead. Thanks again!

Chris L★★★★★3 months ago

Wes and his team were fantastic to work with throughout the entire process! The pricing and scheduling was fair and seamless, and the crew did a FANTASTIC job installing insulation for our new home build! Overall, we couldn't be happier with Acadia's work, and feel confident our insulation will lower our energy bills for years to come. Thanks again Acadia Insulation for the outstanding work and service!

Heath Morris★★★★★8 months ago

Very knowledgeable and professional crew would highly recommend for any insulation job! Showed up on time for the appraisal and for the installation!

Quantum Insulators

Direct: 2073423077

5
5 Google reviews

Recent Reviews:

Cheryl Ball★★★★★5 months ago

Quantum Insulation came quickly to check out the tiny house job I was hoping they could do, scheduled me quickly, and the guys came and finished the job in a few hours. They did great work, which is especially impressive for my weird-shaped house! The cost for open cell was similar to Rockwool + my labor of installing that myself, so it was worth every penny to have them spray foam my walls and ceiling and make sure all the nooks and crannies were covered!

rj sala★★★★★3 months ago

We had rock wool put in our cellar. The crew was friendly and clearly experienced in this work . They did a great job easy to work with and left the cellar cleaner than when they arrived. Thanx great job Ron Cromwell

Gregg Imus★★★★★3 weeks ago

The workers were hardworking, courtesy and very well qualified. A top notch professional crew. A very great experience!

Anderson Insulation of Maine

Direct: 2076530331

5
5 Google reviews

Recent Reviews:

Dan B★★★★★a month ago

We recently hired Andersen Insulation to spray foam our new storefront in Topsham, and the entire experience was outstanding from start to finish. From the very beginning, Matt, the estimator, was incredibly efficient, responsive, and provided a very reasonable estimate. Once we were ready to move forward, they scheduled the job promptly and followed through on everything exactly as promised. Our building is over 100 years old and had several challenging areas that needed special attention. The crew used closed-cell spray foam insulation and tackled every single trouble spot with care and precision, truly going above and beyond. The quality of the work is excellent. Matt, the service crew manager, was also fantastic. He kept me updated throughout the process, even sending pictures and videos of the progress, which I really appreciated. The difference in the building is substantial, and I couldn’t be happier with the results. If you need spray foam insulation for your home or business, I highly recommend Andersen Insulation. You will not go wrong. And next time you’re in the area, stop by and see us at Morning Moose — we’ll take good care of you! Thank you again to the entire Andersen team for the great work!

jason davis★★★★★2 months ago

Anderson Insulation has been outstanding to work with. They are extremely responsive, communicate clearly, and always follow through on what they say they will do. In an industry where reliability and professionalism make all the difference, their team consistently delivers. Highly recommended for anyone looking for a dependable insulation partner.

Jennifer Klein★★★★★6 years ago

Ryan and his team did a fantastic job and got it done in one day! He came to do an assessment and was quick and knew exactly what we needed. They were very affordable too! I am very satisfied with the job. They sprayed the whole second floor. The rooms were cleaned up after as well. They also pumped C into the cavities of the room below then drilled in from the outside for the walls that were not accessible. I had to look hard to see where they had drilled in (our house is shingled). I would highly recommend them.

Southern Maine Spray Insulation

Direct: 2077498314

5
5 Google reviews

Recent Reviews:

Abel Phillips★★★★★7 months ago

Just had our first experience working with Southern ME Spray Insulation and it won't be our last. Molly was super helpful and efficient checking out the project and providing a quote, then saved us with a last minute schedule change for inspections. The guys installed in sweaty conditions and were very conscientious of the site and answered all our questions. Cleanup exceeded expectations. Thanks to them, our client's home will be more comfortable to live in, and more affordable to condition. Hire this team! 🙏 Thanks again, hope it's a great weekend!

Jim Smith★★★★★2 years ago

This is an excellent company that will do a great job handling all your weatherization and insulation needs!! Landlords pay attention: The tenants in my three unit rental building building met the income requirements for the York County Community Action Weatherization Program. Southern Maine Spray Insulation was contracted by the community action program to do the work which was extensive. It required three days of work that left nothing undone. Molly was a pleasure to deal with and she helped schedule the work. Communication was always prompt and accurate! Patrick, the owner, worked as hard as any of the crew. They were always prompt and very considerate of the tenants and my concerns. They worked as a efficient team that clearly enjoyed each other and they were very proud of their work! They were awesome and hard working the entire time. Be a sport and buy them lunch and perhaps a tip if you like their work as much as I did! I will also be contacting Molly in the near future to have a look at my own house.

Aleks Janjic★★★★★2 years ago

These folks installed new basement windows and sprayed the stone foundation walls in our basement. Could not be happier with the work. Turned a dusty dingy basement into a bright, clean, and warm space. The cleanup after the work was great; could hardly tell the crew was even there after they finished. Molly is great source of information and was fantastic to work with throughout the whole process. The estimate was detailed and the process with the state rebate well defined. Highly recommended!

Insulation of Maine, Inc.

Direct: 2074602659

5
29 Google reviews

Recent Reviews:

Laura Brown★★★★★7 years ago

This family run business is very good at what it does. Jason lawrance, owner, is a very honest man and that guides him in all of his business practices. When he makes a recommendation you can be sure that it's for the homeowner's best interests, not his own. They are very well organized, very clean and very fast. They always make sure that you get the rebates to apply to your taxes as well. I am very impressed with Insulation of Maine, Inc. I recommend them to anyone in need of insulation services or Slab jacking, concrete lifting, void filling, garage floor repair.

Maynard Stanley Jr★★★★★a year ago

I shopped around and after talking with Elli in the office.. she was so down to earth and so nice and helpfull I was impressed with this level of attention. Their prices were fair, lower then some. Dylan Alley came by and measured for the work to be done and again a great guy and so knowledgeable. The workers came to install the insulation they were on time and did a great job, I have had several friends and family and some carpenters by and every one is impressed with the insulation job. None of us have ever seen an insulation job any better, so smooth hardly a wrinkle. This company really takes pride in doing a good job and doing it right the first time. I cannot recommend Insulation of Maine, Inc any higher.

Bbgirl★★★★★6 years ago

Jason and his family were all very professional. They arrived when they said they would and completed the job in a timely fashion. The insulation made a noticeable difference in our house. We had a couple of questions about insulation for an extremely small job we were doing ourselves, Jason responded right away and answered all our questions. We would highly recommend Insulation of Maine.

Seal It Insulation Systems

Direct: 2077252468

4.9
191 Google reviews

Recent Reviews:

John Mladucky★★★★★4 months ago

Greg and the Seal It team did a fantastic job insulating our second story dormer addition. They were communicative, helpful, and did a great job with the insulation installation process itself. Definitely recommend them and will be going back to them for any insulation needs in the future.

Catherine Ardrey★★★★★3 weeks ago

Seal It did a great job insulating the basement and the attic. They were super friendly and professional. Greg couldn't have been easier to work with. Thank You.

Kevin O'Farrell★★★★★a year ago

This company was amazing to work with. They showed up ahead of schedule, cleaned up after the work was done like they were never there , and made sure I was 100% satisfied with the work before they drove away. Highly recommended from a small business owner myself. A++

Evergreen Home Performance

Direct: 2073879839

4.7
101 Google reviews

Recent Reviews:

Dennis Doyle★★★★★3 weeks ago

I had a great experience with Evergreen. They insulated my attic, and it’s made a tremendous difference! Their crew was professional, courteous, and did top notch work. And the folks at Evergreen made the process of coordinating with Efficiency Maine for rebates/financing easy! They helped make it affordable, and I probably wouldn’t have been able to do it without them. My project took place toward the end of the year, so there were a lot of hurdles, like holidays, snowstorms, etc. They made sure the work was completed before year end deadlines and ensured that I didn’t miss out on any rebates or tax credits. I would have no hesitation using them again, and I highly recommend them!

Scott Cronkhite★★★★★4 months ago

Working with Evergreen was great. We explained to them the problems that we were having and they came up with the best solution and worked within our budget and helped us with all of the rebates available to us. Workers showed up on time and worked very cleanly. Once the project was completed it was like they were never there. Our salesman Dave was also great, anytime we had a question he was always available with an answer. The rest of the staff that we dealt with as well were great and professional during the entire process as well.

Jeff Munson★★★★★4 months ago

We have had nothing but great experiences with Evergreen Home Performance over the course of the last 10 years. They have been very helpful helping us make a 200-year-old house as energy efficient as possible through several projects.

Northeast Spray Insulation

Direct: 2077978887

4.2
5 Google reviews

Recent Reviews:

Michael Madore★★★★★2 years ago

Great Service. I will be using them again! I got a call back the day after I left a message. Sean came out maybe a day later. I had a quote the next morning. We put a day on the calendar for them to do the job and they showed up on that day! They did spray/fiberglass combo to keep the cost down for me...but gave me a few different options but the combo make the most sense for the job. When the project was done I had a few questions and Sean answered them and even sent a crew back to tweak a few things make sure it was all done to my satisfaction. Hire these guys! Don't bother calling 2-3 other places. They all called me back 2 days after I had already scheduled an appointment with NE Spray. Thanks Sean.

Bill Braisted★★★★★7 years ago

Exceptional experience. Paul Alcorn was very easy to work through the estimate with, Craig was able to fit me in to an open slot almost immediately and the experienced installers did a great installation job. The project management and follow up were very professional and impressive. This was definitely a positive experience and a company I will surely work with again.

Leo Bulley★★★★★8 years ago

This company is the best of the best. Had another company come they didn't have a clue. I had expected my job to be about a week long. Their fiberglass guy came and got the entire job done that day. I am more than impressed. He was polite and happy to answer any questions I had. This company and that guy will do all my projects from now on. Thank you.

Builders Installed Products Maine

Direct: 2078003907

3.2
5 Google reviews

Recent Reviews:

John Murray★★★★★2 years ago

Professional insulation company that does outstanding work. They communicated well, showed up when scheduled and performed admirably. Their quality was first rate. Would recommend them for any exterior foundation waterproofing application.

Dirk Gntly★★★★★8 years ago

These guys do great work! Call them for all of your insulation, gutters, shelving and fireplaces.

Tricia Tetreau★★★★3 years ago

They do a great job and prices are fair to the market. A bit of a challenge on reaching them because they are so busy, but they take care of it quickly when you let them know what is going on

Frequently Asked Questions — Spray Foam Insulation in Portland

Why is spray foam insulation especially important in cold climates like Portland?
In cold climates like Portland, ME, proper insulation is critical to preventing heat loss, ice dams, and frozen pipes. Spray foam's air-sealing properties stop the cold air infiltration that traditional insulation cannot address. It also prevents the moisture buildup inside walls that leads to mold in cold-weather freeze-thaw cycles. Homeowners in ME typically save 25–35% on heating costs. Note: in tightly sealed homes, proper mechanical ventilation is commonly recommended to maintain fresh air exchange without losing the heat you've paid for.
Does spray foam insulation prevent ice dams in Portland?
Yes — spray foam insulation is one of the most effective solutions for preventing ice dams in cold climates like Portland, ME. Ice dams form when heat escapes through a poorly insulated attic, melting snow that refreezes at the eaves. By creating an air-tight thermal barrier in the attic, spray foam eliminates the heat loss that causes ice dams in the first place.
What R-value do I need for spray foam insulation in Portland?
For cold climates like Portland, ME, the Department of Energy recommends attic insulation of R-49 to R-60. Closed-cell spray foam provides R-6 to R-7 per inch, meaning 8–10 inches achieves code-minimum performance. Open-cell foam at R-3.5 per inch requires greater thickness. A local contractor familiar with ME building codes can recommend the exact specification for your home.
Is spray foam insulation worth the cost?
For most homeowners, yes. Spray foam creates an air-tight seal that traditional insulation cannot match, reducing energy bills by 15–35% annually. It also adds structural rigidity, acts as a moisture and vapor barrier, reduces outside noise, and can increase home resale value. The higher upfront cost compared to fiberglass is typically recovered within 3–7 years. One important note: because spray foam creates a very tight building envelope, proper mechanical ventilation is important to maintain healthy indoor air quality and prevent interior moisture buildup. This is typically handled by an Energy Recovery Ventilator (ERV) — a system that brings fresh outside air in while pushing stale air out, recovering the energy from the outgoing air so you don't waste what you paid to heat or cool — or a Heat Recovery Ventilator (HRV), which works similarly but is optimized for cold climates. A qualified contractor will assess whether your home needs ventilation upgrades as part of the installation.
How much does spray foam insulation cost?
Spray foam insulation typically costs $1.00–$3.00 per square foot installed, depending on the type and your location. Open-cell foam runs $0.44–$0.65 per board foot, while closed-cell foam costs $1.00–$2.00 per board foot. A typical 2,000 sq ft home attic costs $2,000–$6,000. Most homeowners recoup this investment within 3–7 years through energy savings of 15–35% annually.
What is the difference between open-cell and closed-cell spray foam?
Open-cell spray foam is softer, less dense, and less expensive. It expands significantly and is ideal for interior walls, attics, and soundproofing. Closed-cell spray foam is denser, stronger, and provides a moisture barrier — making it better for exterior applications, crawl spaces, and areas prone to flooding or humidity. Closed-cell also has a higher R-value per inch (R-6 to R-7 vs R-3.5 to R-4 for open-cell). One key difference: open-cell foam allows some vapor movement, while closed-cell acts as a vapor barrier — an important consideration for your home's ventilation needs.
How long does spray foam insulation last?
Spray foam insulation is one of the most durable insulation options available, with a lifespan of 80+ years when properly installed. Unlike fiberglass batting which can sag and settle over time, spray foam maintains its shape and insulating properties indefinitely. It will typically outlast the building it is installed in.
How do I find a qualified spray foam insulation contractor?
Look for contractors who are licensed, insured, and have verifiable reviews. Spray foam requires specialized equipment and training — improper installation can cause off-gassing, adhesion failure, or fire hazards. Ask for references, verify their insurance, and get at least 2–3 quotes. A qualified contractor will also assess your home's ventilation needs — a tightly sealed spray foam installation requires adequate mechanical ventilation to prevent moisture and indoor air quality issues. FoamMatch pre-screens all listed contractors for licensing and insurance so you can compare verified professionals in your area.
How long does spray foam installation take?
Most residential spray foam jobs take 1–2 days depending on the size of the area. A standard attic takes 4–8 hours. After spraying, the foam cures within 24 hours, though most contractors recommend waiting 24–72 hours before occupying the space due to off-gassing during the curing process.
Does spray foam insulation need to be replaced?
No — spray foam insulation does not need to be replaced under normal circumstances. Unlike fiberglass insulation which degrades over time, spray foam maintains its R-value and air sealing properties for the life of the building. The only reasons to remove or replace spray foam are water damage, renovation work, or improper original installation.