For all kinds of joint sealing work of truss, prefab roofing and shade structure of toughen glass, upvc sheet, polycarbonate sheet, aluminum glass window, upvc glass window. This waterproofing treatment is an approach to seal the joints section by applying silicon in order to prevent seepage and leakage of water. This seepage treatment for truss roof and glass window includes: 1. Cleaning of the surfaces 2. Use of marking tape for proper alignment 3. Application of heavy duty silicon for joints sealing 4. Cleaning of the work area and finishing INCLUDES ALL REQUIRED MATERIALS AND SERVICE CHARGE