Length Of Staircase For 8 Foot Ceiling

Either b or c is required.

Length of staircase for 8 foot ceiling. The unit rise height is how tall you want your stairs. The maximum permitted height of a riser is usually 8 1 4 inches so divide the total rise of the stairs by 8 1 4 and round up to the next whole number. Enter total stair rise inches. 8 inches 203 2 cm of stair headroom.

Riser height unit rise run depth unit run thickness of floor structure floor finish material plus joist plus plywood plus ceiling finish. Stair width is measured from edge to edge of each side of the tread perpendicular to tread length. Treads may be cut to suit other widths. It will yield a staircase with 14 risers.

In the eight foot wall system you have a total rise of 107 and 1 8 inches. For example if the total rise is 120 inches divide 120 by 8 1 4 to obtain 14 54. Rounded up that becomes 15. The result is the number of risers required.

This means you will have 13 treads for a total length of 130 inches or 10 feet 10 inches. All staircases have one more riser than they do treads. This number is not evenly divisible by 7 5 inches but it is close. Building codes generally suggest at least 6 ft.

When you multiply the 25 ft. Headroom the headroom should not be less than 6 8 2032 mm measured vertically from the stair tread nosing to the nearest ceiling object. It must be between 4 to 8 inches tall according to the 2010 california building code. It can also be useful for cutting the angle on the top of the stair rail pickets.

Plan a typical staircase for a house with an 8 foot ceiling at 3 feet wide. A staircase takes up a lot of room on both the lower and upper floors requiring careful consideration of the location. If you think about it you. The riser height max 7 ins 19 7cm is limited by the way in which we come down the stairs.

Width which includes the railing and the wall you have a 9 square metres 100 square foot area that is required for that staircase. Stair rail angle the angle is most useful for determining the bevel cut on a stair rail post. Divide the total rise by the estimated unit rise height. Double those figures to account for the hall or path to go around the staircase and you have 18 square metres 200 square feet for one staircase.

The tread size min 10ins 25 4cm is dictated by the average adult foot size although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe. We suggest 10 5 for 2x12 or 2 2x6 treads.