Take a look at our past work!

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

47 Paper Mill Lane , Newtown Square, PA, US
  • Year of Install
  • Year of Install: 2025
  • CertainTeed Landmark PRO
  • CertainTeed Landmark PRO: Max Def Weathered Wood
425 Deep Willow Drive , Exton, PA, US
  • Year of Install
  • Year of Install: 2025
  • CertainTeed Landmark
  • CertainTeed Landmark: Burnt Sienna
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

Customer Testimonials

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Overall experience would have been a 5 but we had a leak on Saturday. Steve did come out Sunday morning to calk the leak & hopefully that will work. Otherwise good experience so far. Hopefully the new gutters get installed before the next heavy rain.
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Prompt service, great site management, friendly employees, and a beautiful new roof!! Thank you!!
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Best in the area. I had gutters and gutter guards installed. These Guys were amazing. Thank you.
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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
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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.