Staircase Width Dimensions

Under staircase dimensions mistake ive come across several homes where this staircase design mistake has been made.

Staircase width dimensions. Stair dimensions for straight stairway runs. The stairs width usually varies depending on the type of building the staircase is in but for a normal residence the standard tends to be 3 feet 6 inches 1067 cm. So we know from appendix c that stair width in part b is defined as being clear width between the walls or balustrades. The width of the stairs should be 3 ft 6 inches.

There are no restrictions when it comes to width but standard flights measure 860mm and for a main staircase it is agreed that a width of between 800mm and 900mm works best. For secondary staircases a minimum width of 600mm is recommended. According to standard dimensions nosing should be less than 1 inches. The minimum staircase width is the same as the minimum circulation zone width of 3ft 091m.

The wider they are the better because they are safer. 233 a stair of acceptable width for everyday use will be suf cient for escape purposes but if it is also a fire fighting stair it should be at least 1100mm wide see appendix c for measurement of width. The width of one stair after all will need to be consistent with the rest of the stairs. Use our size comparison calculator to compare the dimensional properties of spiral staircase with other related elements from our database.

This angle should be at least 30 degrees and no more than 50 degrees. See more ideas about staircase stairs design stair dimensions. The angle that the staircase makes with the surface of the ground is called slope. Width refers to both the individual step as well as the entire staircase.

The minimum recommended stair width is between 34 and 36 across the width of the tread. For code requirements the minimum staircase width is the horizontal dimension between the sidewalls of a staircase measured above the handrails. Select an item on the right to compare relative dimensions to spiral staircase.