Featured Supplier: Corinthian Doors Platinum Cavity Unit Sliding Doors Featured Supplier: Corinthian Doors Platinum Cavity Unit Sliding Doors The steel cavity door system that gives you more strength, space and design choice. Corinthians Platinum Cavity Unit is the ultimate space saver, allowing you to utilise the floor and wall area that traditional doors cover whilst providing added strength with full steel construction. Incorporating leading edge technology in the framework, track and roller system, now you don’t have to compromise design aesthetics. The Platinum Cavity Unity comes in a range of sizes: 3000 (Std), 6000 (heavy duty) and 9000 (heavy duty ceiling height). Ask instore for more information about ordering these fantastic doors through us.