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Long Island Roofing Contractors - Roofers You Can Trust!

commercial-roofing-company-long-island-nyGappsi is a licensed and insured home improvement and roofing contractor on Long Island NY. Our roofers have set the bar in the roofing industry on Long Island. Not all roofing companies are created the same. With over 25 years of residential roofing and roof construction on Long Island, we are confident our roofers help with your next roofing installation.

Our Long Island roofing services include: free roof analysis (check for wood damage, sources of roof leaks, etc.), roof replacements using only the most quality roofing shingles and roof repairs on Long Island NY. Gappsi roofing contractors offer new roof installation guarantees on both labor and roof materials on every job they do.

Residential & Commercial Roofing Contractors

If you need a licensed and insured roofer on Long Island, with over 25 years of excellence, call Gappsi today for a free roof replacement estimate. We service both Nassau and Suffolk County residents and offer same day service for emergency repairs. For a free roofing service estimate, call (631) 543-1177.


  • Residential & Commercial Roofing
  • Steep Slope (Shingle) Roofing
  • Low Slope (Flat) Roofing
  • Synthetic Slate Roofing
  • New Roof Installation
  • Tear Off, Re-Roof, or Replacement
  • Roof Repairs
  • Leak Inspection and Detection

All Phases Of Roofing Construction - Licensed Roofing Contractors on Long Island NY


Suffolk County 27543-H1 9-10-99 to present, 15435-H1 7-1-88 to 7-1-97  Nassau County H2209100000  Southampton L002384  NYC and The Five Boroughs 1321423