Nowadays, timber garden decking has become the most popular garden patio surfaces. Many of the decking suppliers also sell timbers that are suitable for outdoor use. Timbers are always rated according to their suitability for the conditions they are good for. Some of the most commonly used timber decking materials are treated pine, jarrah, spotted gum, blackbutt, and merbau. The timber used to make the decking kits is of very good quality. Timber will behave according to the climatic conditions.