building leakage work in trichy rvs water proofing is Leakage in buildings usually occurs in walls, flat roof, and parapet wall and pitched roof etc. Each of above has been covered in this book and feasibility water proofing contractor in trichy rvs water proofing is The Waterproofing Technician installs caulking in expansion, contraction, and control joints in interior and exterior masonry, door frames to masonry, windows to masonry, louvers to masonry, coping joints, concrete paving joints, saw cuts, and EIFS joints utilizing silicone, urethane, and acrylic based sealants.