Ncc 2015 was adopted by the states and territories on 1 may 2015.
Stair tread size australia.
The ncc is updated and amended regularly.
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.
The national construction code ncc formerly known as the building code of australia bca regulates stair construction and design in australia.
A stair stringer is a structural member that supports the treads and risers of a staircase.
The rise is the vertical measurement taken from one step level to the next standard rise is 175mm.
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.
The treads can be supplied to match the colour and species of our recycled timber floors or as a stand alone feature.
Standard tread sizes are usually up to 285mm wide with a thickness of 32 and 42mm.
Similarly handrails must be between 34 and 38 96 52 inches high measured from the top of the treads with a diameter between 1 25 inches 3 18 cm and 2 675 inches 6 79 cm.
Our stair stringers range from 1 17 treads steps and are made for standard rise and going and work on a 1000mm between centres of the stringers.
One on each side and.
Ironwood are able to mill cut and supply stair treads and risers from recycled and reclaimed australian hardwood timber.