11882.0-30 is part of Stego Industries' Stego Wrap vapor barrier systems. It is a 30-mil, under slab vapor barrier that is designed to provide a protective barrier around your foundation and help keep out moisture and vapor. This product is constructed of a rugged, lightweight, puncture-resistant, non-perforated polyethylene material. It comes in 0.6 foot roll lengths and can cover up to 210 square feet per roll. It is an economical solution to protecting your foundation from moisture and vapor.