Timber Upper Floor Construction Details
All the figures are based on normal domestic floor loadings where the floor construction is typically 18 25mm floor boards sheets with up to 12 5mm thick plasterboard and skim underneath.
Timber upper floor construction details. The ends of these timber joists are built into or suspended by joist hangers from the external walls of the property. Issues to be taken into account include. These are basically timber rsjs rolled steel joists with an i shaped cross section comprising top and bottom flanges made of softwood or lvt laminated veneer timber bonded to a tall vertical web of osb oriented strand board or a similar engineered board. 6 4 10 construction of timber floors upper floors shall be constructed in a workmanlike manner and provide satisfactory performance.
Single joist timber floor is the easiest kind used for residential buildings whereas spans are short or moderate about 4 m and loads are comparatively lighter. You can then fit a thin plywood layer over the top to regulate your final floor finish. Today the upper floors in most new homes are built using factory made timber i joists also known as i beams. The following table gives details of allowable spans and spacing between joists for the most common timber sizes used in floor construction.
Hollow floors also known as suspended or timber floors are simply timber joists suspended across and supported by load bearing walls under the floor.