Wakaflex - Flashing for Pressed Tile & Concrete Tile Roofs Contact Us on 04 938 0721, 0800 85 86 87 or 027 595 4448email us info@nzskylight.nz Wakaflex is always an option to upgrade from our standard aluminium flashings to something that in our opinion leaves a far more professional looking end result for a tile roof. Wakaflex is a non-lead pliable roof flashing.