Ultra-Decking offers a wide range of timber materials from wooden decking boards, C16 Joists, C24 Joists & timber posts providing customers with everything required to complete their home improvement & decking projects. Our C16 timber joists are Kiln dried to provide dimensional stability by lowering the moisture content, perfect for walls, decks, floors & roofs. Our C24 Joists are ideal for commercial projects or more significant home improvements requiring maximum strength, durability & the highest performance levels.