Mezzanine Floors Perth Space-saving Mezzanine Floors by Perth's Most Trusted Builder. WA Made while offering fast lead-times. A mezzanine floor, is an additional floor installed in a building which is partly open to the floor below, or which does not extend over the whole space of the building. At MezzStor we specialise in industrial & commercial steel mezzanines. Keywords: Mezzanine Floors Perth Business Hours: 9am-5pm Payment Methods: all Address: 7/87 Erindale Rd, Balcatta, WA 6021, Australia Phone: 08 6201 2271 Business Email: [email protected]