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Our office in: Philadelphia

  • Philadelphia
  • King of Prussia
  • Phoenixville
  • New Hope
  • Warminster
  • Harleysville
  • Collegeville


Dec-Tec specializes in creating walk able, waterproof surfaces for rooftops, balconies, and decks. Based out of Alberta, Canada, Dec-Tec’s PVC hybrid membranes have been a North American standard for over 25 years. Dec-Tec is a subsidiary of Calgary-based Thermal Systems KWC Ltd., a building exterior company with over 40 years of experience. Thermal Systems specializes in flat roofing, green roofing, and roofing membrane distribution.

This company produces