Composite timber, hardwood or softwood timber can be used for decking and screening, but they each have a range of advantages and disadvantages that you should be aware of so you can determine what product will represent the best value for your specific project.
Treated pine timber is light and easy to fix. It can be painted or stained and is relatively cheap. Unfortunately, it expands as it gains moisture and warps or bows easily, and quite often .has lots of