Firth Windsor® Blocks provide an easy way to create retaining walls up to 900mm high. They look great and are an affordable and efficient way to add value to any property. They are environmentally friendly and virtually maintenance free. Windsor® Blocks are ideal for retaining walls, terraced gardens, tree rings, sandboxes, planters and much more. Windsor® Blocks have a bevelled, three-way face that enables construction of inside curves, outside curves and straight walls. Each block is moulded with an integral rear lip that easily guides each new course into place - ensuring proper alignment and a precise setback. There is no need to mix any mortar or install any pins. All that is needed is a little creativity and a few basic tools. They are available in three colours: Rockface, Sandstone and Granite. These warm earth tones and rock like textures give projects a rich, natural appearance. Firth Windsor® Blocks have a face width of 300mm, height