Furnish and install roof vent flashing with 24 gauge galvanized steel base with matte textured custom finish, fitted with multi-size elastomer collar. Unit shall be Water-Tite item number checked below as manufactured by IPS Corporation, as per corresponding dimensional characteristics, or equivalent. (Do not use Petroleum based mastics, sealing compounds, or paints on collar portion of all flashings, on all hardbase, flexible, or rain collars)
