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

1004 Kimberly Lane , Downingtown, PA, US

Replaced roof system with GAF Timberline HDZ Lifetime Weathered Wood shingles.

  • GAF Timberline HDZ: Weathered Wood
  • Property Type: Single Family Homes
  • GAF Warranty
  • GAF Warranty: System Plus
  • Year of Install: 2025
265 Silverbell Court , West Chester, PA, US

Removed and replaced roof system with new GAF Timberline HDZ Lifetime Weathered Wood shingles.

  • GAF Timberline HDZ: Weathered Wood
  • Property Type: HOA/Condo Association
  • GAF Warranty
  • GAF Warranty: Golden Pledge
  • Year of Install: 2025
32 Ridgeview Road , Newtown Square, PA, US

Replaced roof system with new GAF Timberline Lifetime HDZ Slate shingles.

  • GAF Timberline HDZ: Slate
  • Property Type: Single Family Homes
  • GAF Warranty
  • GAF Warranty: System Plus
  • Year of Install: 2025
1538 Aspen Drive , Pottstown, PA, US

Removed and replaced roof system with 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
463 Black Horse Road , Chester Springs, PA, US

Installed new asphalt roof system using 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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Update: Gary Martini, the owner, reached out to me after becoming aware of this situation, and remedied the situation by fixing improperly installed skylights and then offered to repaint the areas inside my house by the skylights that water damage. This was done and I do appreciate Gary's willingness to see this through. I updated the rating accordingly. Original: Had whole roof & 3 skylights installed in Sept 2021. One skylight leaked badly starting May 2023, damaging the ceiling & potenti... Read more
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Prompt and informative Email responses following the estimate and throughout the entire process, timely scheduling, efficient and very hard-working crew, roof installation and clean-up were completed in a day, done to specifications, looks great and was reasonably priced. A few details that needed to be addressed were quickly resolved.
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GP Martini installed a roof for me in 2013 in West Chester. The roof was professionally installed in one day and exactly as quoted. It was a seamless process overall. No issues with the roof at all in 10 years. Very satisfied!!!
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They responded quickly to my request for a quote.
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Very happy with the speed, quality and value.