DuPont is a leading manufacturer of water barriers with a background in science and engineering that makes them dedicated to solving major everyday problems. DuPont's Tyvek brand offers many protective roofing underlayments that are offered in different options such as sizes and warranty plans. DuPont also offers house wraps as well as window and door wraps that keep your home energy efficient and dry. DuPont offers additional protection with their line of tapes that act as a strong protectant against water and air.