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Certified
- Products
- Responsive
- Skylight
“He and his team responded very quickly to my need for repair, ran me through the replacement process, and had the roof replaced for a reasonable price, all within less than a week.”
Best Insulation Contractors in Columbia, MD
24 contractors listed · 7 in Columbia · 4 open 24/7 · 13 open weekends · 21 rated 4.5+
Data verified October 18, 2026
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Liberty Windows & Siding Inc.
- Work
- Partner
- Call
“I had two other window companies come out to give window estimates, Peter of Liberty Windows gave me the best honest estimate, I'm very happy with the windows and results, the installers were on-time, they were polite and professional.”
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Columbia Roofing Inc
- Competitive
- Efficient
- Gutter
“They met my requirements for a good product on the roofing (and the siding at the time) and when there was an question they responded quickly and sent out a technician to investigate.”
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IME Construction
“IME Construction LLC dealt with the insurance company to make sure that they were aware of the details involved with replacing the roof so that proper payment was made.”
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Rebuild Inc
- Nails
- Hail Storm
- Remodel
“They worked with me extensively to select the proper materials, and worked with my insurance company to make sure that all the damage was covered by my policy.”
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Baysun Home Services
“Kept (still keeps) in touch with me weeks/months after, adjusting his numbers to maximize rebates, answer more questions, bend in different ways to help me maximize my rebates with other contractors, etc.”
The 24 contractors listed for Columbia, MD insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Columbia, MD
7 of the 24 contractors we list are based in Columbia; the other 17 serve Columbia from towns including Baltimore (15 mi), Pikesville (14 mi) and Rockville (18 mi). The contractors on this page are rated from 4.0 to 5.0 across 4,585 reviews; 18 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise quality (89%), professionalism (88%) and responsiveness (83%). 4 are open around the clock; 12 are open on Saturdays and 7 on Sundays. The services the contractors on this page list most often on their websites are gutters (3), residential roofing (3), siding (3), exterior services (2) and roof repair (2). 9 show a license on their websites; 1 lists staff certifications (BPI) and 11 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 70 years. 5 offer emergency call-outs; 12 offer financing or payment plans; 17 give free estimates; 10 are family- or locally-owned and 7 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for all 24 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
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KCS Roofing
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Ex Home Solutions
- Quality
- Sales
- Estimate
“The sales manager, Jeff Brown, was extremely responsive and helpful; he helped figure out exactly what services we need to fully repair our roof while being cost effective at the same time.”
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Roland Slate Service Co.
- Flashing
- Tiles
- Questions
“We could tell immediately that Roland was the most knowledgeable company that we received an estimate from, and they gave us a very reasonable price for some improvements we could make to the roof.”
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GRB Roofing
- Efficient
- Pricing
- The Future
“When the insurance company came with their inspector, they were on the roof with him representing me The result was a new beautiful new roof paid almost entirely by the insurance company.”
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Homelife Roofing & Remodeling
- Deck
- Warranty
- Call
“Even after the project was completed, they continued to show their commitment to quality by helping to identify leaking problems that were not even be associated with the roof replacement.”
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Kelbie Roofing Flat Roof Specialist
- Inspection
- Mind
- Call
“The crew was very professional, and though I ended up having to pay more to have the roof re-decked due to rotted wood, they gave me the cost immediately and started working on it right away.”
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B&R Siding INC
- Project
- Insulation
- Attention
“They put on our new roof in one day, left our yard immaculate afterward, and provided a wealth of pictures so we could see the process and the wood they repaired prior to putting on the new shingle.”
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Central Exteriors
- Project
- Pressure
- Estimate
“They replaced our roof and, unlike some other companies who gave us estimates, I felt like Jon was honest and straightforward about what we needed (and what we didn't).”
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Alco Products Inc.
- Hardie
- Home Improvement
- Project Manager
“They handled the permit process for me, which in my neighborhood includes both the city and the historic district commission, and that made the whole process so much easier.”
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Weathermaster Windows
- Call
- Floor
- Warranty
“While they did not provide the type of service I needed, the sales person who called me took the time to describe the likely problem I had and gave me a referral to a qualified provider who may be able to help.”
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Home Energy Savings Solutions
- Energy Efficiency
- Basement
- Temperature
“With the project just completed we will have to wait to gauge the energy savings for a while but on this very humid 90+ degree week following the work we can already feel the difference in our warmest rooms being more comfortable.”
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Pro Tech Improvements LLC
- Knowledge
- Leak
- Expertise
“If you're looking for quality and professionalism from a company to replace your roof or even do repairs, Randy from Pro Tech Improvements is who you should call.”
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Allied Remodeling
- Nails
- Driveway
- Presentation
“They came out estimate was given and time when work would be started, communicating with me through emails and given pictures of the beginning, midway and completed roof.”
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MLM Home Improvement
- Responsive
- HOA
- Consultant
“The crew was nice and we received great customer service from, Chris Nalducci, Anton Merecido, Gomer Cid Merro and all of the staff members were great.”
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Park Heights Roofing
- Estimate
- Mind
- Honesty
“Replaced an old worn out part of our roof that had been done in multiple sections with modern material and better coverage, more seamless between different heights and around a smokestack from a woodstove.”
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Devere Insulation Home Performance
- Questions
- Rebate
- Project
“I had a Ford Transit Van that I wanted to have insulated with 1" of foam insulation followed by 3" of Rockwool which will resist bunching from vehicle motion.”
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ROI Construction
- Inspection
- Solar Panels
- Insurance Company
“Great job installing my windows fast and affordable, now I can sleep without having to deal with it being cold at night and being sick in the morning because of my broken windows.”
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Badger Contracting
- Quotes
- Warranty
- Home
“I almost don't want to cover the roof with solar panels, but am looking at different solar companies now that I see how Badger treated me in comparison.”
Why these companies made our list
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