The Independent Fencing Pressure Treated Joist - 4800 x 100 x 44mm can be used for multiple outdoor projects, including the joist for the underneath of your decking. Made from redwood and white wood, it is kiln dried to help reduce the risk of splitting or twisting. It is also pressure treated, meaning you get a longer life from your deck including a 10 year rot free guarantee.
Joist for underneath decking
10 year rot gaurentee