- OSB3 tongue and grove boards are ideal for flooring and are manufactured to an OSB3 standard 18mm 2.4m X 0.6m (8ft X 2ft X 3/4")
- Should fit through most attic hatches but try to measure the opening first
- The tongue and grove is on 4 sides and helps keep the noise of the floor to a minimum and is generally considered a superior material to chipboard flooring