brushbond tgp : formerly known as tegraproof c crystalline capillary waterproofing system for cementitious substratesusesbrushbond tgp* crystalline waterproofing system is used for waterproofing against the positive or negative sides of hydrostatic heads of water, for dampproofing, repairing cracks, plugging holes, sealing wall - floor joints and stopping active leaks in a wide variety of condtions including sewage treatment and water treatment plants, tanks,foundations, tunnels and manholes. terrace garden, balconies, sunshades etc. roof and sunken slabs industrial and office buildings reservoirs, water holding structures etc advantages meets the requirements as per ansi/nsf std 61 for suitability to potable water penetrates concrete, seals capillary tracts contains no chloride easy to apply resists chemical attack of sewage and industrial wastes suitable for external and internal applications.