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Top-Rated Flat, foam, or single ply roofing installers and replacers in Fitchburg - Updated Nov 2026

Avatar for On Top Roofing
On Top Roofing
4.6(
179
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"On Top Roofing is Top of the Line Roofer. Professional delivery with solid quality! Company was hired to correct the issues caused by a prior roofer whose incompetence has cost me additional thousands in repair. On Top Roofing installed a ridge vent that the prior roofer only placed on the roof, re-flashed the chimney where prior roofer failed to install to match new rook lines, re-surface flat rook where prior roofer ignored. In addition, On Top Roofing was used on apartment buildings to help close up the roof and eliminate a bat problem. On the Top Roofing is the only roofing company to use. It takes a while to get on their schedule, but they show when they say the will and do the job they say they will do. Only hire On the Top!! You will not regret."
Additional Photos
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+11

Response time11 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for LCT Construction & Services, Inc.
LCT Construction & Services, Inc.
4.7(
191
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"Selection of this contractor went smoothly from start to finish. Estimate was considerably less than another contractor using the same CertainTeed roofing system. I do not select on cost alone. I got quotes from 3 other companies. Normal estimate was using the Landmark Pro shingles, also was given estimate for the Landmark shingles when I mentioned budget constraints and my longevity, I’m a senior citizen. Left me info on the CertainTeed system materials and installation. When I decided on the Landmark did not try to convince me to rethink choosing Landmark Pro. On date of install they arrived around 7:15 but said they wouldn’t begin work until 8 so not to disturb neighbors. Considerate, I live in a over 55 development. They worked quickly and professionally, first hanging tarps to collect debris and stripping roof. Crew moved along quickly. Needed to replace some decking around vents,which they did at no up charge. Owner, Luis Castro, stopped by from another job to check work even going up on roof to inspect. Left me his card and told me to call with questions or concerns. Cleanup was amazing. Left my property as if they never were here! This was one concern as other roofer,s doing work in neighborhood have left blown debris and nails in street. They did not. Debris that was wind blown into neighbors yard was retrieved. Also in quote was to reroof shed and install gutters and downspouts at front of house. Shingles were underestimated including shed so they applied the DiamondDeck underlayment and drip edge and were back next non rain day to finish shed. I was amazed at the proficiency and speed work was completed. I highly recommend this company and already have to a neighbor. Very professional, supervisor answered any questions I asked, courteous and treated my job as if it was their own. Crew was very proficient. Owner should be proud. I was satisfied with all aspects of project."
ROOFING
ROOFING
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Untitled Gallery 1
shrewsbury MA

+22

Response time2 days
63 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Mighty Dog Roofing of Greater Middlesex
Mighty Dog Roofing of Greater Middlesex
4.8(
50
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"The whole crew at Mighty Dog was exceptional from start to finish. They communicated clearly the scope of the job and didnt compromise on materials and craftsmanship. A big thank you to Erica, Will, Kyle, Jefferson and the roofing crew, Eduardo and Carissa! I will recommend Mighty Dog roofing to anyone looking for roof repairs, roof installs and gutter installs!"
Premium Roofing
Premium Roofing
Premium Roofing
Premium Roofing
Premium Roofing

+152

146 neighbors recently requested a quote
Recommended by16%of homeowners
Avatar for Diamond Construction, Inc.
Diamond Construction, Inc.
4.3(
112
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

Here at Diamond Construction, Inc., we are dedicated to providing you with exceptional customer service. We specialize in all areas of roofing. From siding to roofs, to windows and gutters. We'll be there to make sure it's done right the first time. We have been in business for over 10 years and are backed by over 10 years of experience. We are accredited by the BBB, Genflex, and are fully insured. So call today and set up your free estimate.

Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel

+93

4 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for BBS General Construction Inc
BBS General Construction Inc
4.6(
14
)
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"They did an awesome job! The roof looks GREAT! Plus the people are very professional and friendly. There will be no other company doing my projects but BBS General Construction Inc. from now on!"
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+16

Response time10 hrs
11 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Klaus Larsen, LLC
Klaus Larsen, LLC
New to Angi
Flat, Foam, or Single Ply Roofing - Install or Replace

Serving Fitchburg, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

When it comes to roofing services, only the best can save you from trouble down the line. Klaus Larsen Roofing, has over 20 years of experience in all things roofing related. We work with a variety of materials in order to help as many people as possible, and we are adept in utilizing the tools we've been given.

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Before
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Before
After

+13

Response time8 hrs
Response rate92%
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FAQs for flat, foam, or single ply roofing installation and replacement projects in Fitchburg, MA

Many roofing pros point to PVC as the top performer on flat roofs thanks to its tough seams and long-term waterproofing. A properly installed PVC membrane can last 30 years or more, resisting ponding water and harsh weather with ease. You will pay more up front than you would for EPDM, but the added durability often translates into fewer repairs and a lower cost per year of service.

Yes, a rubber roof is an environmentally friendly choice. Most rubber membranes contain recycled content and can reflect heat, which helps trim cooling bills in hot weather. Manufacturing has a lighter footprint than many traditional materials, and the long lifespan means fewer tear-offs headed to the landfill. If sustainability is a priority, ask your roofer about brands that carry third-party eco-certifications and confirm they meet local environmental standards.

The Fitchburg, MA homeowners’ guide to flat, foam, or single ply roofing installations and replacements

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