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Top-Rated Roof sealant application pros in Stow - Updated Nov 2026

Avatar for On Top Roofing
On Top Roofing
4.6(
179
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"On Top Roofing did an excellent job. They arrived on time and cleaned up completely before they left. This was the second job they did for me over several years and their workmanship continues to be excellent."
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+11

Response time11 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Hennelly & Son Roofing & Gutters
Hennelly & Son Roofing & Gutters
4.8(
740
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

Approved

In business since 2000

Offers commercial services

Customers say: Quality work

"I had a roof replaced on m detached garage including all wood. Also had a small flat roof replaced. Both were in bad shape and for the flat roof that I had to redo the joists and outer wood. I have used them twice now and in both cases they were very responsive to phone calls and was able to schedule both jobs very quickly. In both cases they took their time to make sure the underlying surface/wood was replaced and fixed prior to roofing."
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+3

Response time12 hrs
Response rate100%
5 neighbors recently requested a quote
Roofer's Edge & Siding Inc
4.5(
66
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"- Very prompt, professional service delivered at a great price on our Newton expanded bungalow. - Owner, Brian (in business for 25 yrs) assessed/priced job and, with on-site job supervisor, was available at every stage of job completion. - I requested 4 references which Brian gave me at random but said he doesn't call former customers in advance of such requests so wasn't sure if I'd get call backs. All 4 references DID return my calls and all raved about Roofer's Edge/Siding work and value. - Also, work crew included professional women which I appreciated. - Policy is payment at the end of the job when customer is satisfied. - Will definitely use again for siding and or windows given this roofing experience."
Response time8 hrs
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for BBS General Construction Inc
BBS General Construction Inc
4.6(
14
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"the work was great, he went in their and cleaned up everything, and put in a piece of pad to cover it to keep the birds out; he also checked every part of the roof for any possible entries as well."
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+16

Response time10 hrs
11 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Diamond Construction, Inc.
Diamond Construction, Inc.
4.3(
112
)
Sealant for Roof - Apply

Serving Stow, 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 Overstate Roofing Services Inc.
Overstate Roofing Services Inc.
4.2(
80
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Had popcorn ceiling applied to my ceiling for the acoustic advantage. As a speech therapist this ia greatly needed. The previously coat I had was falling apart. I contracted the Overstate's team to have the job done and was not disappointed. They ware respectful of my home, cleaned up after the job and worked quickly. Thank for such a thourough job especially during that ghorrid heat wave we had. I will definitely be using you for my upcoming projects."
Roof replacement
Roof replacement
1743 neighbors recently requested a quote
Recommended by1%of homeowners
Avatar for Robert Evans Jr. Contracting
Robert Evans Jr. Contracting
4.9(
61
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"I can’t say enough good things about Evans Roofing! My husband and I met with Dan who listened to every detail about our project replacing our very old roof and gutters Within a few hours that same day Dan sent us a very reasonable quote to do both roof and gutters. Within 1 week the roofers were here and the roof was done in 1 day Day 2 our gutters were done The clean up was fantastic! They left the site cleaner than before they were here!! The crews were professional, polite and very kind . We did meet with another Roofing Company prior who gave us a long sales presentation and quoted us 3 times the cost to do the same job but I won’t go there because I want this review to shine for a Evans Roifing! So if you have a roofing job and gutters done go with the compnanyvthat fits your needs but please consider Evans first Thank you Ps I wish I could show pictures but can’t figure out how ☺️"
.
Certainteed Grand Manor Lifetime Shingles
.
.
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+3

Recommended by100%of homeowners
Avatar for Legacy Roofing
Legacy Roofing
5.0(
29
)
Sealant for Roof - Apply

Serving Stow, MA and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"I had a jug of the recommended product, which Mr. Dexter used to spray the entire roof--not just the bad sections. He expertly corrected a downspout position to direct rain into main gutter. Two gutter covers were replaced with white-painted, seasoned wood, which were cut to the proper shapes. A deck board was fastened securely. Mr. Dexter plans to return to inspect his roof work. If additional roof treatment is needed, there will be no additional cost for me. [I had contacted 2 other roofing companies, which were recommended by Angie's List. One company did not respond. A 2d company gave a $930 estimate, which did NOT include spraying the roof for moss/algae.]"
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+7

Recommended by100%of homeowners
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