PF-150s are specially designed penetration flashing accessories used to maintain waterproofing integrity around small penetrating elements through the waterproofing (nelson studs, rebar, threaded rod, etc.) PF-150s are single piece, durable preformed thermoplastic covers that allow for simple and quick waterproofing flashing installation. PF-150's are used with various Cetco waterproofing membranes including Coreflex and T80NR.