In today's building climate, you need a tight building envelope that will stand up to the elements before, during and after construction. To spec it right, ZIP IT TIGHT with the protection of ZIP System sheathing and tape. It's the one-of-a-kind structural roof and wall system with a built-in, energy efficient barrier that keeps moisture out and reduces air leakage, while still allowing panels to properly dry. Water resistant barrier. Works on a variety of surfaces. Cold temperature application. 180-Day exposure guarantee. Superior acrylic adhesion better than butyl/asphalt. Repositionable material.