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John ASCH Contracting We have been doing Roof Installation and Repair in New Jersey since 1955. We install the best roofing materials such as Owens Corning and Velux along with the best guarantee you can find. We are also specialists in Slate Roof repair. We have thousands of customer testimonials and references are available upon request. We are local roofing experts in NJ that you can trust.

Whether it is a roof installation, repair, skylights, gutters or something else, call us today and know you've chosen a reliable company with the best guarantee you can find.
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One of the largest problems I run into is that most homeowners simply do not have the time to make a correct decision. I try to supply the owner with all of the information they would need to make an intelligent choice regarding their roofing project. A well installed roof should last 40 to 50 years - it is an investment, and making the right choice is paramount.
I am proud to provide professional roofing services and home improvements to my customers. While most companies come and go, John Asch Contracting has been in existence since 1955 and is still expanding into new areas. I provide and execute all the many things you would expect and want a great company to do.
John Asch Sr., my father, started learning the trade of roofing in 1955 working throughout central New Jersey, initially for a number of new homebuilders. In those days, there were no air compressors, air guns, etc. Roofers back then became very fast at hand nailing or would have to move on to a different career.
We have happily installed or repaired thousands of roofs for customers in New Jersey since 1955. Call (732) 238-9917 to set up your FREE estimate if you are in Warren, Morris, Hunterdon, Somerset, Union, Mercer, Middlesex or Monmouth counties. We are local roofing experts in NJ that you can trust. Whether it is a roof installation, repair, skylights, gutters or something else, call us today and know you've chosen a reliable company with the best guarantee you can find.We needed someone who knew how to repair a slate roof instead of just doing the usual sloppy tar job and to give us an opinion on the remaining life of our roof due to its age.
Reviews (18)
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Manoj Amarasinghe
Jun 06, 2022
The people whom I interacted with in this company are very professional and courteous. They took extra steps to explain and clarify the problem, the fix and the cost up front. I would recommend John Asch for any roof work.
Amy Zelka
May 21, 2022
I HIGHLY Recommend John Asch Roofing. We used them for a new roof and Gutters. Their pricing was competitive and better than others And Most Importantly their customer service is beyond compare. Anytime I had questions they contact me and come over. They are Reliable and the best!
Phaedra Davina
Apr 05, 2022
We needed an entire new roof badly and Mr. Asch inspected it and gave us a quote promptly. They got the job done quickly and perfectly! I couldn't be happier. The new roof is beautiful and such a relief to not be worrying about anymore. They were great to work with, honest as honest gets, very professional and clearly know what they are doing. I can't recommend this company enough! If you need a roof I'd recommend not even wasting time going through it w multiple contractors, just call Asch! -Antonia B.
Bruce Barrett
Feb 19, 2022
Jason their salesman was very up front and honest about the new roof I was looking for. He took the time to explain everything in detail. I spoke a couple times with John the owner my thoughts of saving money and leaving the 3/8 in. plywood. He explained the warranty difference. 1yr vs 20 yr with new 1/2 inch on workmanship. I might not understand fully today but 10-15 yrs from now I might be calling to thank him.

The crew was unbelievable. Moving things I didn't know needed moving, and returning them. I bought them pizza for lunch. They only took about 20mins and right back to work. It was expected to take 1 1/2 days to complete but they worked their butts off and finished it all including clean up by 7pm. Very respectful crew and took great care with my property.thank you all at John Asch Contracting.
Daverly
Oct 04, 2021
Very reputable family owned company. Jason was easy to work with, and the job was done well and on time. Price was very reasonable compared to other companies. Recommend. Service: Installation
Robind
Sep 28, 2021
I hired John Asch Contracting to install a new roof in 2014. I highly recommend this roofing company. They are the best. John and his employees were all very professional and provided excellent service. The roof was completed on time and I was provided with an extensive contract which included a 50 year limited warranty on material from the manufacturer and a 10 year guarantee on labor and material from John Asch.

I had absolutely no leaks until tropical storm Ida on September 1,, 2021. This extreme rainstorm flooded our area and left a water stain on my kitchen ceiling. I called Jason Asch (John's son) on September 2nd and left a voice mail message. Jason called me back promptly on the same day. I am sure there were many people calling this company due to water damage from this horrific storm. Jason arranged for 2 employees to come to my home to assess the damage and repair the area of the roof which was inundated with extremely heavy rain. Daniel and another roofer arrived on time, explained the issues related to the storm, texted me photos from my roof and completed the repair.

This work was all covered by my contact and there were no additional expenses incurred by me. I was so appreciative of the prompt and excellent service I have received by every employee of this company.
Tree Tropp
Sep 13, 2021
Reliable and honest, the go to guy for your roofing project.
John Varghese
Aug 23, 2021
I am delighted to write this positive review on John Asch roofing Contractors. I had bad luck with my roof, I changed the roof 3 times since i owned this house for the last 30 years. None of them retuned my calls when the roof was leaking. The fourth and final roof is done by John Asch. I am extremely happy with their work. After Completion of the work two sets of cleaning crew came to sweep around the house to clear the debris.

The company sent a separate team to inspect the job, they found a defective Louver vent. Following day, the company send a new louver and replaced the defective Louver vent free of charge. They gave me 50 years warranty and 20 years of Guarantee. I cannot ask for more. The crew is hardworking, pleasant and professional. The price is right. John Varghese, E46 llmyer Road, Edison, NJ,
Maureen Fontaine
Aug 03, 2021
Cant say enough good things about John Asch contracting. In 22 years, this our 2nd new roof and gutters replaced by his company. Honest and trustworthy, workers are dependable and hard working. For quality and price John Asch contracting is the only way to go! Services: Roof inspection, Roof repair, Gutter repair, Roadworks
Govind Seshadri
Jul 16, 2021
My roof was done by John, and has good follow up service when required
Jay Taylor
May 25, 2021
In 2010 we had our old slate roof torn off and replaced with cedar shake. 11 years later the roof is as good as it was the day it was built. The process was one of the easiest construction jobs I have done. It was done on time and clean. Another contractor who did the same job for friend left the whole attic a mess of dirt and debris. Our attic never showed any signs work was done above.
Pedro Santana
May 23, 2021
John Asch did my roof 11 years ago and it still looks as good as it did on day one. The quality of the work and 20 year warranty stand out from the competition. Anyone that I encounter that need roofing work I always recommend John Asch Contracting.
Stewart Nemser
Apr 28, 2021
I called J A C and left a message. My call was returned promptly. After explaining what I needed fixed they set an appointment time that was most convenient with me. The repair was made promptly and perfectly. I would surely call them again for anything I might need that falls into their realm of repair.
Dan Kaiser
Mar 11, 2021
John did extensive roofing on my 200-year old home ten years ago. It's held up as good as the day it went on. Great, professional work and a very fair price. That's why I didn't give a second thought to using John Asch Roofing for the roof replacement on my kitchen addition today. Again, great work at a fair price. I'd recommend them to anyone!
Laura Zalewski
Jan 10, 2021
Asch roofing installed my roof 6 years ago, this week I noticed a "bubble". I called them Friday and they came right out and inspected what I was taking about. Thank goodness was it was only a nail, that didn't attach to wood, because I have tongue and groove wood. Simple fix and covered under warranty. Thank you. So honest and trustworthy. I will always continue to recommend you.
Brad Hilbert
Jan 05, 2021
I conatced John Asch Contracting initially for a roof repair and his company was the only one that took the time to come to the house to evaluate the problem. The roof was over thirty years oldhaving been replaced when I purchased the home in 1988. John Asch gave me the options of either repairing the leaking area of the roof or replacement; I opted for replacement.

I signed the contract and now have a beautiful new roof with a twenty year guaranty which is transferable if and when I sell the house. John's crew was excellent and had stripped the old roof and and replaced it in one day. There was some trim and work that needed to be done which took a special crew two more days to remediate which was performed at no extra charge. John and his team did an excellent job on my roof and I would definitley hire his company again as wellas reccomend him to my friends, and family. Brad Hilbert
Kevin Aaron
Jul 04, 2019
After being discouraged by several astronomical estimates from "big" companies, we were amazed at John's honest pricing and 20 year "no leak" workmanship guarantee. John and his office staff were pleasant and easy to deal with. The day of the job was simply amazing! From tear down of 2-layers, through the install of the new roof and chimney flashing right up to the "cleaner" who came by after all workers left to do a thorough final clean up and check for nail on the entire property I couldn't of been happier. John must of called me four times during the job to personally check in and his son came by several times to check in with me and the foreman. I worked in retail for 10 years and John understands customer service. I recommend his company without hesitation.
Shirley Ortiz
Jun 29, 2019
Straight and to the point without the fluff roof contracting. John Asch Contracting did a great job on my home. He also took the extra time to explain things I know nothing about. Any new knowledge he provided I was able to go and verify for myself. His pricing was very reasonable for our townhouse. His guys came in, did the work, found some problems, fixed them without going over my budget. The business & craft work in roofing with John's company was worth every penny. I'm very happy with it.