Bitumen Membrane sheet laying in manachanallur Rvs waterproofing construction chemicals Application Trichy Waterproofing membranes are designed to protect a surface from the perils of leakage. Water penetration and leakage, if neglected, can have disastrous consequences for a structure. A waterproofing membrane acts as a protective layer which can be applied either on the roof, retaining walls or basement of a structure. There are different types of waterproofing membranes which can be broadly classified as sheet-based membranes and liquid-based membranes. Sheet-based membranes are in the form of rolls whereas liquid applied waterproofing membranes come in the form of liquid that can be sprayed on the surface. Trichy