Standard Staircase Dimensions Australia

Staircase dimensions the maximum dimension between balusters is 4ins 10cm.

Standard staircase dimensions australia. The rise is the vertical measurement taken from one step level to the next. Flights can be connected using landings. Minimum headroom is generally 2 metres. Minimum 215mm maximum 355mm.

Do not forget your stair dimensions will need to be mirrored onto all floor plans. The australian standard contains detailed advice on steps stairs landings guard rails and so on. Stair width is measured from edge to edge of each side of the tread perpendicular to tread length. Staircases must slope at an angle of 20 to 45 but between 30 and 38 is recommended.

In a typical australian house is not uncommon for a staircase to be 1 4m wide x 5 9m long. The pitch angle should not be less than 26 5 degrees and not greater than 45 degrees. The gap between balustrade railings whether vertical or horizontal must be less than 125mm. The picture bellow illustrates the rise and going of our stair stringers.

8 inches 203 2 cm of stair headroom. Standard rise is 175mm. Minimum 130mm maximum 225mm. All rises r and all goings g in the same flight of stairs shall be of uniform dimensions within a tolerance of 5mm.

Australian standard 1657 4 1 angle and width of a stair s slope regarding the width and angle of the slope stairways shall not be less than 600 mm wide measured between the edges of the safety handrails. You can safely assume that a staircase will require a minimum width of 1 1m and a minimum height of 3 5m long. If the stair is higher than 10m or three storeys the treads must be solid ie. While measurements of length are conventionally longer than those of width when considering rectangles in the case of steps the width is usually the longer side.

Not of mesh or perforated metal if the stair is an open stair the riser openings must be less than 125mm. The going is the horizontal measurement taken from the front of one step to the next. The driver for this maximum dimension is to protect crawling babies from crawling through a baluster. Standard going is 250mm.

Stairways shall be 600mm wide inside the stiles and it is to have a minimum clearance of 550mm between rails. A barrier a landing 2 metres in length or a change in the direction of the stairway of 90 degrees needs to take place every 36 stairs. Don t forget though this is for a commercial property. The width of the landing shall not be less than the stairway width and a minimum of 600 mm clear of cross traffic door swing or any other structure.