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Kaller Roofing
4.9
Based on 90 reviews
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Kate DiLullo
Kate DiLullo
23:10 08 Dec 20
Highly recommend Kaller Roofing! We had an extensive roofing project and the team delivered! We were so impressed with... their craftmanship, professionalism and attention to detail. The roof looks amazing... like a new home!read more
Craig Olsen
Craig Olsen
14:31 01 Dec 20
I had Kaller Roofing work on the mansard roof of my Philadelphia row home, replacing the slate shingles with flat seam... copper roofing, installing a new trough gutter and down spout, installing coping and capping. Chuck was sold me the job and was very knowledgeable and helpful. He invited my wife and I to tour their facility and answered all of our questions and talked us through the process. His roofing team (Justin & Mike) were always prompt, courteous, and friendly. The pride they take in their work really shows. On top of the roofing work they expertly rebuilt the rotted out framing, repaired brick work, and painted my cornice and capping along my roof to match everything. I was extremely happy with the workmanship and the professionalism of the staff. It wasn't a cheap job, but the costs were all laid out for me and explained clearly. I think it was worth every penny for a quality product.read more
Andre Washington
Andre Washington
23:57 11 Nov 20
Very pleased with the service provided by the company, from the initial estimate to the actual work that was done. ... Rich, Carlos, and Charlie were informative, prompt, and diligent in completing the job. All aspects of the work (replacing slates, capping, etc) were expertly done.read more
Bart Venesoen
Bart Venesoen
13:04 07 Nov 20
Since we bought our +/- 100 years old house, still with its original Vermont slate roof, the Kaller team has been on... site multiple times doing a variety of jobs ranging from full gutter replacement to copper dormer roof replacement, chimney repair and more. Chuck's assessment as to what was needed always seemed reasonable. The crews were knowledgeable, courteous and professional and executed the jobs in a timely manner. The quality of the work is excellent and competitively priced. Thanks to the Kaller team we are confident our beautiful slate roof will serve us well for decades to come.read more
Tim McLaughlin
Tim McLaughlin
12:56 07 Nov 20
I had Kaller come out and work on my porch roof that was handled poorly initially by another local contractor. From the... very beginning I experienced professionalism and true consultation throughout the process to consider each element the project, ensuring everything was handled correctly moving forward.Clint was the leading the job and was excellent in his attention to detail on each component of the project.Kaller may not have the lowest quote for the job but you are getting true professionals that don't take shortcuts.read more
Meagan Nace
Meagan Nace
20:03 02 Jun 20
Kaller completes every job with perfection. Highest quality roofer in the area. Staff is professional and respectful of... the property and areas adjacent to the work area. Highly recommend.read more
M Jab
M Jab
01:48 13 May 20
Terrible Experience, Really Rude and Unprofessional. Spoke to the owner Chuck and the secretary to find them both... equally rude, especially the owner of this company. Very nasty and rude, where did all these good reviews come from, has me thinking... Please if you like some respect and kindness you will not find it here...read more
lisa hurwitz
lisa hurwitz
14:19 06 Apr 20
There is no one in the roofing industry as professional and knowledgeable as Kaller. I have home over a 100 years old... and wanted to keep the integrity of the original roof ... after countless estimates and roofers, not one company compared. The crew arrived daily at 7 am and worked tirelessly all day. they constantly kept me informed as what they were doing, and if there was a problem, showed pictures and explained what needed to be done. Always asking permission before moving forward. Amazing guys. Amazing company. I never thought i would be in love with my roof, but i truly am. So proud to have the Kaller sign on my lawn. I will NEVER use any one else ever. THANK YOU KALLER!!! and Chuck is the greatest. Kaller is lucky to have you.read more
Mike O'Hara
Mike O'Hara
18:07 01 Mar 20
Kaller Roofing rebuilt our fiberglass roof deck that was leaking in multiple places. They provided expert guidance... leading up to the job, and did impeccable work. The crew were very professional, and the owner himself checked in multiple times to assure quality. Our new roof deck is not only more functional, but looks much better and will be a great space for years to come.read more
William Brady
William Brady
23:35 02 Feb 20
We are return customers in Mt. Airy. We have had Kaller do a variety of maintenance and upgrade projects on our 90+... year-old house over the last decade, including replacing glazed clay tiles that were damaged by falling branches, installing snow guards, replacing gutters, changing over to copper roofs for our low-slope dormers, creating a waterproof cap for stone pillars at the end of the house that were leaking water, replacing the surface of our roof deck, and covering the roof deck with rubber tiles so that we can use it as outdoor living space. Chuck has been a great resource as we plan the work. He listens to our needs and gives us a menu of options with the associated costs. With his knowledge and experience he tells us with remarkable accuracy, and no sugar-coating, what the crew will find once they are up on the roof (such is the adventure of owning an older home). Mike and the crew are reliable about when the work will start and end. They work efficiently and leave our property tidy when they are done. All their work has been durable and done right the first time. We are very satisfied customers!read more
Susan Erickson
Susan Erickson
17:18 28 Jan 20
Rich, Carlos, Charlie and Clint replaced our entire roof in January 2020. They were very knowledgeable, answered all of... our questions, always arrived on time and were a pleasure to have working on our home. They left our area cleaner when they finished than when they arrived! Even the mailman commented on our beautiful new roof. We would definitely recommend Kaller, especially for anyone with a complicated roof design like ours. They may not be the cheapest, but they do a superb and complete job. They were worth every penny!read more
Rob Nelson
Rob Nelson
21:22 24 Jan 20
Excellent workmanship, high professionalism in the entire crew, especially the foreman, Mike Austin. They were prompt,... kept us apprised of the progress, excellent site cleanup at the end of each day, and upon job completion. Beautiful result. Will recommend to others. This is the second time Kaller has roofed our house, our experience 30 years ago brought us back this time.read more
Steven Cohen
Steven Cohen
15:28 21 Dec 19
My wife and I have been customers of R. Keller & Sons for 25 years. The company performs its work with the utmost... professionalism and expertise. To us, a Kaller roof is the top of the line. The routine maintenance is also performed expertly, and in a timely manner. There is nothing better than having work performed by a contractor and knowing, up front, that you will not have one minute of worry about whether it is done properly. R. Kaller & Sons consistently meet this standard. We recommend this company highly to anyone who is looking for the best craftsmanship available. Steven, Haddonfieldread more
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Stellar Roofing Reviews

Dont’t take our word for it – here’s what our clients say:

Kaller Roofing rebuilt our fiberglass roof deck that was leaking in multiple places. They provided expert guidance leading up to the job, and did impeccable work. The crew were very professional, and the owner himself checked in multiple times to assure quality. Our new roof deck is not only more functional, but looks much better and will be a great space for years to come.

Mike O’Hara

Excellent workmanship, high professionalism in the entire crew, especially the foreman, Mike Austin. They were prompt, kept us apprised of the progress, excellent site cleanup at the end of each day, and upon job completion. Beautiful result. Will recommend to others. This is the second time Kaller has roofed our house, our experience 30 years ago brought us back this time.

Rob Nelson

Fine work. A great team. The guys (Rich, Carlos, Jake and Justin) were conscientious, professional and talented. It was a large job from a home owners view and they handled it well with an attention to detail. Hats off to Chuck and Ray also for their supervision and support. This twin is 120 years old and with care like this it can go another 120 years.


Jim Shugart

The roofers explained everything beforehand and were very prompt each day. They appeared to be very knowledgeable. We had a very bad experience with another roofing company and Keller was certainly much more professional and trustworthy. We will definitely use Keller again if we need a roofer.

Ellen Madof

I am the facilities manager of a large church in Greenville, Delaware. Kaller Roofing has been our roofing partner for over five years, and I highly recommend them. Ray Kaller is a skilled and experienced diagnostician, which I think is the most important part of the process of getting to a solution. The members of his team are also highly experienced and easy to work with. Give them a call!

Michael Sayer

Our home’s slate roof and ice damaged gutters were in need of professional help. An exhausting search lead us to Kaller and Sons. Chuck made the whole process painless while Rich and Carlos’s high level craftsmanship along with quality materials yielded amazing results. We couldn’t be happier. Thank you gentlemen.

John Davis Jr.

For many years, I have known and highly recommended Kaller Roofing to my real estate clients, learning each time that Kaller has delivered top-quality craftsmanship and impeccably excellent work. Recently, I had occasion to need them personally, and they were most responsive advising me of the best solution for the problem at this time. Ray Kaller is a most experienced/seasoned professional choosing his staff with that same resolve. If you are in search of a roofing firm which goes over and beyond to satisfy your needs, Kaller should get that call!

Lin Cox-Tobin
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