Waterproof coating & membrane
What is waterproof coating & membrane To prevent the entry of water through seepage or moisture damp inside an RCC structure waterproofing is used. Generally, after completion of construction work of a structure waterproofing work is carried out. The process of waterproofing can be carried out in many ways. However, it can be broadly classified as: Coating – By the use of Polyurea coating as a waterproofing membrane. Membrane - By using the waterproofing membrane. Waterproofing coat (PU): Surface Preparation – The surface is inspected for any structural defects such as cracks, undulations, and honeycombs if found it shall be rectified before coating. Right angle junctions between slab & perpendicular wall/column shall be treated by coving the junction (75mm x 75mm generally) & filling it with a polymer-modified mortar. The surface shall be free from dust, loose materials, cracks & in saturated surface dry (SSD) condition before the applica...