Brisbane’s Best Patio Builders – All GW Patios are constructed using top quality 80% hi-gloss steel. With a durable, baked on paint finish, which resists chipping, peeling and cracking. With outstanding anti-corrosion performance, steel is one of the toughest most advanced building materials, so it can protect your home against harsh Australian conditions. So you can be sure Stratco steel not only looks beautiful, but lasts beautifully.