GP Martini Roofing Company

For the Life of Your Home...

About Us

GP Martini Roofing Company is an experienced, full-service professional contractor providing repairs and installation serving Chester, Delaware, Bucks and Montgomery counties. Whether your need is residential or commercial, we are your single source for roofing, siding, window and door installation and service. Our … “for the LIFE of your roof” warranty is the best in the industry, and will make your contractor selection an easy one. Our business is focused on core values: reliable service, quality products, and long-term relationships. GP Martini Roofing Company has extensive knowledge of the latest products and materials and has mastered the craft of installation. Our team’s wealth of expertise helps our clients improve their home’s function, beauty and value.

Our Work

1035 Ballintree Lane , West Chester, PA, US

Install GAF Timberline HDZ Weathered Wood shingles.

GAF Timberline HDZ: Weathered Wood
Property Type: Single Family Homes
GAF Warranty
GAF Warranty: System Plus
Year of Install: 2025

217 Berkley Road , Devon, PA, US

Install GAF Timberline HDZ Lifetime Pewter Gray shingles.

GAF Timberline HDZ: Pewter Gray
Property Type: Single Family Homes
GAF Warranty
GAF Warranty: System Plus
Year of Install: 2025

1287 Grove Road , West Chester, PA, US

Install GAF Timberline HDZ Lifetime Charcoal shingles.

GAF Timberline HDZ: Charcoal
Property Type: Single Family Homes
GAF Warranty
GAF Warranty: System Plus
Year of Install: 2025

1300 Drayton Lane , Penn Wynne, PA, US

Install GAF Timberline ES Charcoal Solar shingles. Install GAF Timberline HDZ Lifetime Charcoal shingles.

GAF Timberline HDZ: Charcoal
GAF Timberline Solar HDZ: Charcoal
Property Type: Single family
GAF Warranty: Golden Pledge
Year of Install: 2025

33 Bridlewood Drive , New Hope, PA, US

Install GAF Timberline HDZ Lifetime Appalachian Sky shingles.

GAF Timberline HDZ: Appalachian Sky
Property Type: Single Family Homes
GAF Warranty
GAF Warranty: System Plus
Year of Install: 2025

Customer Testimonials

Karl B was fantastic! He was honest and communicative, and his experience as a builder instilled confidence in me. The crew was awesome. They got right to work and cleaned up extremely well! Dennis communicated all issues and the steps to resolution. Great experience overall.

This has been a great experience! Karl B came to the house to provide an estimate and advice on replacing the roof. He was honest, straightforward, and his experience as a professional builder instilled confidence that I had chosen the right firm. The day of the installation, the site foreman Dennis showed up and explained what would happen. The crew was professional and efficient. I have never seen a crew work as hard and clean up as well as these guys! I would recommend GP Martini over all... Read more

Thought the crew worked hard in the heat, however I felt like there was less focus on ensuring the plants in my yard were not damaged than I expected. I had to spend a weekend trimming brushes that had broken branches and cutting back plants that had damage It would have been nice if a little more care was given. I also thought my sales rep would be at my house more than once on the day, he only came at the end to give me a bill. The person who returned to make a repair did an wonderful job ... Read more

GP Martini Roofing was about professionalism at its best. From my first contact with Job Supervisor Karl B I knew the job would likely go smoothly from start to finish. He reviewed each step in the roofing process in as much detail as I wanted, provided me with a list of materials and options, with an estimate of when the job would begin. He was right on target all the way through and if I had any questions he was instantly available on his cell. Everything proceeded as he outlined with zero... Read more

The Crew, supervisor and technicians did a great job on the shingle roofing, start to finish. Can not wait for the metal to arrive and complete the transformation.

Take a look at our past work!