Perma constructions aids pvt. Ltd. Offers modern construction chemicals to cater to all critical applications in the civil engineering industry. Perma guard is manufactured by perma constructions aids pvt. Ltd.. It is a polymer modified cementitious acrylic water proofing system with a very wide scope of applications in water proofing and corrosion inhibition situations. Perma guard is a two component material which forms a flexible membrane upon curing. It is used for sealing leakage through caste iron, asbestos or stoneware pipes and for sealing `j` bolt openings. The salient features of perma guard are,