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Expert Roofing, Sheet Metal, and Solar | Since 1979
Home / About Us / Factory-Certified


Ferguson & Melvin Co. is certified by several major manufacturers to install both commercial and residential roofing systems, with factory warranties of up to 20 years. Below is a list of manufacturers that we are currently certified with:

  • GAF
  • CertainTeed
  • Malarkey
  • Versico
  • Carlisle
  • Firestone

Our certification type and level varies by manufacturer, as each company has their own area of specialty products. We are displaying here our certifications for two of the largest manufacturers that we work with, GAF and CertainTeed. To see a copy of any certification not shown here, contact our office and request it be sent to you directly.

It’s very important that any contractor that you hire be certified to install the system they are proposing for your project. If they aren’t certified, you can’t be sure their installers are top notch and experienced enough for that system. In addition, any contractor not certified cannot offer the same NDL extended warranties that are vital to any project, especially on larger commercial buildings.

Some material manufacturers do not sponsor a formal certification program. Instead, they promote quality contractors through distributor referrals. Ferguson & Melvin Co. is very experienced in and referred as a high quality contractor by the following manufacturers:

  • US Tile
  • Boral Tile
  • Eagle Tile
  • Redlands Tile
  • Gladding McBean Tile
  • Tamko (Lamarite)
  • DaVinci
  • Tegola Copper
  • Samaca Slate
  • American Slate Co.
  • Vermont Slate Co.

Call our office today at (800) 974-ROOF or click here to request a quote.

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