DuPont Tyvek Homewrap is a housewrap that protects a home against any damaging rain or wind while letting water vapor to escape. This can help prevent water damage by keeping the rain out and buildup by allowing moisture vapor to exit. Tyvek homewrap stops air movement through walls, reducing drafts and helps for the insulation inside a home to work better. This helps provide a more energy effcient home and is engineered to keep homes cool in the summer and warm in the winter while remaining dry all year round. DuPont Tyvek Homewrap is durable, easy to install and backed by a 10-year limited warranty.