Welcome to the QTD Knowledge Centre, your ultimate resource for in-depth articles on timber products, installation techniques, and maintenance tips. Explore expert advice to enhance your understanding and execution of timber projects.
Thermally modified Softwood timber is a durable, sustainable choice for decking, but only when it's specified correctly. Too often, cladding dimensions and outdated joist spacing guidance are applied to structural decking, compromising performance and safety. We explain why correct board thickness and joist centres matter, outline the recommended specifications for thermally modified softwood and decking, and highlight why getting the details right is the minimum