Keywords: derbigum, performance, roofing, systems, adhered, asphalt, adhesive, APAO, APP, applied, bitumen, built, cold, Commercial, contractors, environmentally, friendly, construction, guaranteed, guaranty, Industrial, inspection, institutional, mod bit, bitutak, insulation, low, modified, Non residential, ply, process, reflective, safe, self, single, slope, low-slope, solutions, sustainable, up, voc, warranty, waterproofing