Licensed and Insurance in NJ and PA:


NJ license # 13VH00284700, PA license # PA043363


Trenton Roofing and Siding was founded in 1983 by Joseph Gankiewicz, Sr. who has remained as the current owner operator of the company. We have been a growing family business for over 33 years and a proud GAF Master Elite contractor since 1998.


We are meeting the commercial, residential, and industrial needs of our community, are fully licensed in both New Jersey and Pennsylvania and carry a full line of insurance. We offer our services at competitive prices with substantial warranties on our workmanship and also work with our customers in supporting the warranties offered by the manufacturers of all the products that we install.


Trenton Roofing & Siding, Inc. has a full-time office staff to ensure that all of our customers needs are met in a timely manner. Also, of great importance to our customers, are our courteous and detail-oriented installation teams. Our team has worked hard to satisfy our customers on many residential homes as well as prominent projects.


We are GAF Master Elite Roofer, have been awarded a "Consumer Protection Award" and "Training Excellence Award" from GAF, we maintain an "A+" rating with The Better Business Bureau and earned an "A" Rating along with a Super Service Award on Angie's List.



Left to right: Dee, Rita, Nicole, Lynne, & Lorraine


From Left to right: Paul Drum, Charles (Cholly) Keintz, Jamie Drum, & William (Billy) Trautwein


We are members of the following organizations:


  • • Better Business Bureau
  • • Angies List
  • • Chambers of Commerce
  • • NFIB

Check out our GAF awards!


Angie's List Super Service award 6 years in a row 2009-2016