Spruce decking typically contains smaller less obvious natural defects such as large knots which lends to a clean surface appearance, Tanalith E wood treatment conforms to new European standards & contains no arsenic or chrome, At 144mm in width, less boards are required to cover the deck area, Only sustainable well managed raw materials from PEFC certified sources are used in the production of these B&Q decking products, Scandinavian softwood decking complete with an artificial grass inlay