Step Tread Size Australia
The national construction code ncc formerly known as the building code of australia bca regulates stair construction and design in australia.
Step tread size australia. Ironwood australia can mill cut and supply stair treads and risers from recycled and reclaimed australian hardwood timber. Covid 19 sep 2020. The combination of twice the riser plus the going 2r g shall be not less than 540 mm and not greater than 700 mm i e. The rise or height of a step is measured from the top of one tread to the top of the next tread.
It is not the physical height of the riser because this excludes the thickness of the tread. Set your store to see local availability compare. The rise is the vertical measurement taken from one step level to the next standard rise is 175mm. The going shall be not greater than the tread depth td plus a maximum gap of 30 mm between the rear edge of one tread and the nosing of the tread above.
Pylex 7 steps steel stair stringer black 7 1 2 in. Ironwood are able to mill cut and supply stair treads and risers from recycled and reclaimed australian hardwood timber. Treads shall have a minimum live loading of 2 5 kpa or a 2 2 kn per linear metre or minimum point loading of 1 5 kn applied on 100mm 100 mm pad on each step whichever loading produces the more adverse effect. Includes 1 stair riser model 13907 78 66 78 66.
Stairs cannot be continuous without have a landing or floor level that breaks up the flight of stairs. Vertical rise for stairs. It covers areas such as the requirements for balustrades handrails anti slip surfaces height and depth ratios of stair treads and the necessity of landings. Orders are still being sent to all parts of australia including melbourne but there may be slight delivery delays due to restrictions that freight companies are currently dealing with.
While the actual size is determined by calculation there are minimum standards and common averages builders can reference. Composigrip composite anti slip stair tread 48 in. 540 2r g 700. Standard tread sizes are usually up to 285mm wide with a thickness of 32 and 42mm.
Grey step cover model 01106c 29 78 29 78. The tread size is calculated based on the horizontal distance between the front edge of the top landing and the planned location of the base of the stairs. The height limit established by code is intended to provide a reasonable interval for the user so that they may rest on a level surface and to alleviate the negative effects of long uninterrupted flights. Out of stock online.
Building codes generally suggest that the minimum length of a tread be 10 inches 25 4 cm. Products stair and handrail parts stair treads and risers.