Zurn Roof Drain Collection Loaded Andrew McNeilDec 29, 2015 Share The entire Zurn Specification Drainage Roof Drain Collection has been fully loaded to www.masterbuildermercantile.com. You can shop MasterBuilder Mercantile's complete Roof Drain Collection here: http://masterbuildermercantile.com/collections/roof-drains. Enjoy! Share Previous articleNext article