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For hotel, motel, and apartment tub and shower restorations in the U.S. and the Caribbean, contact Bontrager! From chips & scratches to tub-to-shower conversions and complete refinishing, contact Bontrager for expert, professional, timely service to service your fiberglass bathroom. From Southwest Michigan to Northeast Indiana, prolong the life of your boat by calling Bontrager.

We provide regular boat maintenance and annual polishing, plus we repair chips, holes, and more! Known as one of the country's foremost fiberglass service and repair specialists since 1984, family owned Bontrager Fiberglass Specialties, Inc. provides residential homeowners and commercial properties with friendly, timely fiberglass service from coast to coast.
Services
Partner with Bontrager to complete your commercial fiberglass service! We have been servicing the hotel, motel, and apartment industries from coast to coast and the Caribbean since 1984. You will appreciate our commitment to the highest quality work, as well as our experience working with a variety of partners and materials for more than three decades!
For on-site tub, showers, and enclosure service in Southwest Michigan, and Northcentral/Northeast Indiana, contact friendly, family owned and operated Bontrager Fiberglass! Our commitment to service and wide variety of services sets us far apart from the competition. Homeowners have trusted us for over 3 decades! Call today and experience the Bontrager difference.
Southwest Michigan is known for its access to amazing lakes! Bontrager Fiberglass stays busy repairing worn and damaged hulls, transoms, and more. Located in one of the main boating regions of the United States, we do most of our boat repairs in our White Pigeon facility so that we can guarantee the highest level of quality.
Reviews (7)
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Christian Riehl
Jun 23, 2022
They're good people to work with did a heck of a good job on my boat fiberglass. my boat was in and out he got right on it, happy customer here
Adam Arwood
Dec 27, 2021
Amazing work! Tub was repaired, and you could never tell that there was a crack in it before. Service: General repairs & maintenance
Joanna Burda-Smith
Mar 25, 2021
Bontrager's was recommended to me when a hole was cut in my shower stall. They were so wonderful to work with, so professional and helpful. I did not realize you could fix a fiberglass shower stall, but they definitely can! You cannot tell at all. They were wonderful, and really took pride in their work. I recommend them completely.
Erik Lane
Mar 03, 2021
Our 40 year old fiberglass shower bottom had cracked and required repair. Bontragers accomplished the difficult job and the end product looks fantastic. The tech was friendly and nice to work with.
Rancent Mc
Nov 19, 2020
I wouldn't recommend Bontrager's Fiberglass Specialties. If you trying to get your countertop repaired or scratches off stay way from them. They're unexperienced doesn't know what they're doing and NO customer experience with customers.(By the way I did not hire this company, it was hired by other company because they are remodeling my bathroom)This company put more scratches on my countertop than fixing what I had on it. NOW they think this was not their fault. The person who came to do the job was so rude and slams my door when he leaves. Everyone, please have a second thought before you use this company.
Michigan Dude
Jun 05, 2019
I was amazed at the quality of the repair they did on my jetski. Had a damaged area on the hull they fixed it and you would never of known. 100% satisfied with the customer service, and quality of work they provided. I would highly recommend them to anyone and I'll go back if I ever am in need of their service again.
Marge Baker
Apr 11, 2017
I hired Bontragers to make my/shower into a walk-in. The tech was here on time, applications took about 10 hrs. over a 2 day period. I couldn't be happier with their work. They also sprayed tub/shower a faux granite, looks like it was bought that way, very expensive looking. They did an excellent job and would highly recommend them