Staircase designs

Today, we share staircase designs to you!

Staircase designs

Today, we share staircase designs to you!

Stairs, staircase, stairway, stairwell, and flight of staircase designs are all names for a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairways may be straight, round, or may consist of two or more straight pieces connected at angles. Special stairways include escalators and ladders. Alternatives to stairways are elevators and inclined moving sidewalks.

Tread - the part of the step that is stepped on. It is constructed to the same specifications (thickness) as any other flooring. The tread "length" is measured from the outer edge of the step to the vertical "riser" between steps. Riser - the vertical portion of the step between steps. This may be missing for an "open" stair effect. Nosing - an edge part of the tread that protrudes from the riser beneath. If it is present, this means that horizontally, the total "run" length of the stairs is not simply the sum of the tread lengths, the treads actually overlap each other slightly. Bullnose - where stairs are open on one or both sides, the first step above the lower floor may be wider than the other steps and rounded. The rounded portion of the step is called a "bullnose". A double bullnose can be used when both sides of the stairs are open. Winders - winders are steps that are narrower on one side than the other. They are used to change the direction of the stairs without landings. A series of winders form a circular or spiral stairway. When three steps are used to turn a 90° corner, the middle step is called a kite winder due to its similarity to a diamond-shaped kite. Stringer, stringer board or sometimes just string - the structural member that supports the treads. There are typically two stringers, one on either side of the stairs; though the treads may be supported many other ways.

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