Products made from TherraWood are a unique blend of PVC, wood fibre and other proprietary components. The decking is an elegant, cost-effective, durable and safe alternative to wood, for both residential and commercial areas. Features & Benefits TherraWood Composite Deck Trim provides for a decorative professional finish to the edge of the decking or steps. TherraWood is ideal for the value conscious consumer who also wants a luxurious product with timeless appeal. Achieves one of the highest ratings on non slip decking. TherraWood composite products will not splinter, rot or suffer structural damage from insects or weather conditions