Expansion Joints in a building are normally left unattended, or a proper treatment is not given to them. As a result, the expansion joints leak in the very first rainy season, which ultimately affects the expensive interiors of the buildings. As Building Waterproofing Contractors in Delhi NCR, we provide the best of technology to treat the biggest joint sizes in the most effective ways, which not only remains water-tight but also serves the functionality. The techniques used for treating the expansion joints are:-