There are several types of retaining wall: brick, stone, gabon, block, concrete and wooden retaining walls. But I will focus on the last type. If we do it right, a wooden retaining wall can beautify garden and give it a more natural look. It’s important to choose a good wood as the source material, such as log, railroad and cedar. As long as wood type is hard, strong and durable, or appropriately treated it can fulfill condition to be used.
Build wooden retaining walls are not costly. Simple constructions can be do-it-yourself activity. Everybody without advance skill as carpenter can do. Build this retaining wall is great investment from several aspects: affordable price, natural, make stronger unstable soil and make over landscape become more beautiful.
Wooden retaining walls constructed from high quality wood can stand more than 20 years. Because this material will contact directly to earth, it needs waterproofing treatment to prevent rapidly damaged from moisture factor. This is one of its weakness if we compare with other retaining wall materials.