Waltons 4m x 3m 28mm greenacre retreat traditional log cabinthe 4m x 3m 28mm greenacre retreat traditional log cabin is built with 28mm double tongue and grooved timber sourced from baltic countries for more quality and denser wood this feature makes these log cabins good for insulation especially during the winter months you will have access to the log cabins through wide hinged large double doors that come with a fitted cylinder lock as an added security measure we have pressure treat