Natural Durability This product is naturally durable, and contains no wood preservatives. Just as nature intended. Natural Stability Vulcan Panelling is manufactured with a vertical grain orientation, which means the timber has great stability, even in harsh conditions. Forest Stewardship Council® (FSC®) Certified A guarantee that forest products come from responsibly managed sources, including forest management and chain of custody. Declare Certified Declare certified Red List Free by the Living Futures Institute, the leading label in transparency for building products. Red List Free Free from Red List chemicals as required by the Living Building Challenge. Built to Last Warranty Vulcan Panelling is covered by a 15 year Built to Last Warranty.