STP Limited, one of the leading manufacturers of Construction Chemical, Bitumen and Coal Tar products and pioneer of waterproofing in India, enjoys over 85 years of trust assiduously built through timely delivery of quality product at competitive prices through continuous R&D duly backed by highly educated technical service team with vast experience. STP has been introducing innovative products in Indian market. We proudly call ourselves "Waterproofers to the Nation"​, having pioneered the business of waterproofing of buildings with bitumen based products with an excellent track record.Being pioneers, STP Limited strongly believes in thinking ahead of the times by introducing cutting edge Technology products and has been instrumental in launching many products which are unique in their field & application.STP is a professionally managed company with six manufacturing facilities, which are duly backed up by a state of art R&D facility, aptly named "Avishkar" and a PAN-India distribution network.