Stair nosing is the front of the tread which protrudes beyond the riser. Some staircases do not have nosing but some building codes make it mandatory. Stair nosing is available in a variety of materials including rubber, aluminum and wood. There are also several different types of stair nosing.Feb 5, 2021
What is the purpose of a nosing?
Nosing is the protruding edge of a stair—it's the surface that is stepped on the most when people walk up and down and can be made of a variety of materials. Stair nosing helps improve the overall safety of the staircase because it provides a larger surface to step on. It also makes walking up and down so much easier.
What is the nose of a tread?
Tread nosing The horizontal projection to the front of a tread where most foot traffic frequently occurs. The nosing is the protrusion beyond the riser when vertical risers are used, or beyond the back of the tread below, when angled risers or no risers are used. Anti-slip strips or nosings may be applied.
Does tread include nosing?
This is a measurement from the nose of the tread to nose of the tread. You are not required to have a nosing/overhang on your stair treads. But if your stairs don't have a nosing you are required to have a tread that is at least 11 inches long.
Do residential stairs need a nosing?
The tread depth code for residential stairs should be no less than 10 inches with nosing, no less than 11 inches without nosing, and maximum tread depth variation should also be less than 3/8 of an inch.
Why do we give nosing?
Nosing provides a larger surface area to step on, which makes walking up and down much easier. Stair nosing helps protect the most exposed areas of the stair tread from damage and general wear. In the case of wooden or concrete stairs, this is especially important as the tread may chip or break if heavily used.Jun 3, 2019
Why is there an overhang on steps?
Stairs must have an overhang between 3/4″ to 1-1/4” to increase the depth of the step, making it better for descent while maintaining a clear 10-inch going for the ascent. Treads that are 11-inches deep or greater do not require an overhang.
Why do stair treads have nosing?
Sometimes referred to as stair edgings, stair nosings define and reinforce step edges. They also enhance the durability of the stair tread and floor covering used on the staircase, by eliminating excessive wear patterns, especially in areas of heavy usage.Jul 7, 2015
What is the difference between stair tread and stair nosing?
Stair treads are the full horizontal surface that a person steps upon while the nosing is the leading edge of the tread.
What is the purpose of stair nosing?
Since the stair nosing is where people step on the stair, it is the part that tends to wear out first. With stair nosings, you can prevent the problem of worn stairs. You are also helping to prevent the problem of slips and falls because of the anti-slip features that stair nosings provide.Jul 7, 2015
Do stairs need to have a nosing?
You are not required to have a nosing/overhang on your stair treads. But if your stairs don't have a nosing you are required to have a tread that is at least 11 inches long.