A portfolio of engineered synthetic roofing underlayments with industry-leading walkability Introducing an innovative material breakthrough from DuPont™ Tyvek®, the trusted name in total building envelope solutions. Tyvek® Protec™ roofing underlayments feature a unique embossed pattern allowing for better traction and grip while walking on the roof. Plus, you’ll enjoy the added benefits of lightweight durability, excellent secondary moisture protection and a wrinkle-free surface for smoother installations. Tyvek® Protec™ underlayments are ideal for jobs from renovation to new construction, and designed for slopes 2:12 and higher under a variety of roofing materials. Industry-leading walkability when compared to other low permeability synthetic roofing underlayments.