Our Potting Sheds have many features which sets us apart giving you a Potting Shed which is built to last. Internal two tier shelving included as standard.The finest European timber slow grown sustainable timber. Tongue and Groove throughout – Your potting shed is made from 12mm thick tongue and groove timber including the floors and roofs. Exterior wood preservative – with wax additive meaning you don’t have to re-treat your shed for a whole year. However, it is water based and has just the right amount of wax which means you can paint over.