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Founded in 1802, and headquarters in Wilmington, Delaware, E. I. du Pont de Nemours, and Company is a science and technology business specializing in agriculture, electronics and communications, industrial bio sciences, nutrition and health, performance materials, and protection solutions. Inventors of many important polymers, such as neoprene, nylon, Teflon, Kevlar, Tyvek, and Lycra, DuPont markets its products through its sales force and distributors in the United States, as well as internationally. Employing more than 60,000 people worldwide, DuPont enjoys nearly $36 billion in revenues. In 2017, DuPont became a subsidiary of DowDuPont Inc., the world’s largest chemical company in terms of sales.


First discovered by a DuPont researcher in 1955, Tyvek has since become an icon in the building materials industry. A tough spun-bond olefin fiber product, Tyvek is stronger than paper and more cost-effective and versatile than fabrics. The use of Tyvek as a building wrap increases durability and energy-efficiency, as well as providing an essential line of defense against liquid water. Tyvek building envelope products meet or exceed codes, help extend the life of a building, and help reduce fossil fuel consumption. Because Tyvek is highly permeable, it reduces the risk of condensation damage, wood rot, and mold growth by allowing water vapor to escape. Additionally, Tyvek is flame, chemical, UV, and tear resistant.