Gona Aluminium & Steel design, manufacture and install aluminium, steel and glass products to best suit your building requirement Aluminium range • Windows • Doors • Shopfronts • Shower Enclosure • Guardian /Trellis Gates • Gates • Balustrades • Burglar Bars • Office Partioning • Frameless Systems • Serene Systems • Flyscreens • Tombstone housings • Steel to aluminium window conversion (*without altering frame and Glass range Steel range • Windows • Security Gates • Entrance Gates • Burglar proofing • Balustrades • Fencing Glass range • Splash back • Mirrors • Steel glass