Majority of the industrial sheds and warehouses have GI sheet roofing. These roof sheets are fixed with J bolts and nuts. Over a period of time these joints gets rusted and the holes gets widened. We offer the best warehouse and metal roof leakage repair service. Chemvelon India Pvt Ltd provides spray applied Polyurethane Foam systems as seamless waterproofing and thermal insulation for such sheet roofs. This system build-up assures the long lasting and reliable waterproofing and thermal insulation of roofs with GI Sheet Roofing.