High enough so that a temporary lamp can be attached into the top and the planks can be removed. Posts & Planks can be manufactured in corporate colours to suit. Bases can be colour coated. Posts, Planks & Bases can have corporate brands embossed onto. Planks are extremely durable and can last 8 times longer than uPVC Planks. Base fits securely over the post and can also be doubled up. All three products are compatible with older systems.