Robust is an engineering company specialising in the recycling of expanded polymers e.g. expanded polystyrene Robust offers a real green alternative to wood for both outdoor and inside use. Over 90% of the material used in its construction is recycled material. It does not contain any harmful chemicals which might leach out into the environment. It does not need treating every other year with more chemically based solutions, saving money, time and the environment. At the end of its life it can be recycled to be used in making even more environmentally friendly productsIt can be worked just like wood using either hand tools or normal woodworking machinery. Will not split, splinter, rot, warp and is impervious to insect attack