Operating profitably since 1980, Industrial Thermo Polymers Limited (ITP) is a leading international manufacturer of extruded polyethylene foam products in North America. Under the brand name Tundra, ITP produces several key product lines that have earned widespread acceptance in a broad range of markets. In addition to the innovative Tundra family of products, ITP is also North America's foremost manufacturer of Sealant Joint Backer Rod Products for the Waterproofing Industry.