What Size Stair Nosing

Cut the tongue side off so the board is 3 1 2 inches wide.

What size stair nosing.

Building regs m and bs8300. They also protect the edges of floorcoverings from becoming. Here i am using a 4 inch piece of flooring. Definition of stair tread or landing nose or nosing.

The greatest stair tread nosing projection shall not exceed the smallest nosing projection by more than 3 8 inch 9 5 mm between two stories including the nosing at the level of floors and landings. 2008 new york state stair code r311 5 3 3. Regulated by building codes stair details specify the sizes of risers and treads stair widths the placement of handrails and guardrails and construction methods for fabricating stairs. The leading edge of treads of stairs and of landings at the top of stairway flights.

3 the slip resistance of the tread surface of a stair nosing. Stair details refer to the standard requirements for each of the various components of a flight of stairs. Cali long board vinyl pro 2 06 in x 72 83 in seaboard oak prefinished stair nosing. First find a board of the correct species that can be cut down to 3 1 2 inches wide which is the size of standard stair nosing.

Gradus stair edgings stair nosings can help to reduce accidents on stairs as well as helping to provide an inclusive environment giving access to all building users. At stair tread nose specifications. A stair nosing or edging strip is a length of aluminum or plastic that protects the edges of stairs that are not already protected by a built in bullnose or rounded edge. Most stair nosings have an l shaped profile so that they wrap around the front edge of the stair tread and down over the riser the vertical board just below the tread.

Mcnichols nosing most commonly welded to the leading edge of a bar grating stair tread is a 90 o angled product intended to help with slip resistance and step sightlines. Stair tread nose curve radius 9 16 or 1 2 in some codes. Stair tread nose the greatest stair tread nosing projection shall not exceed the smallest nosing projection by more than 3 8 inch 9 5 mm between two stories including the nosing at the level of floors and landings. The tread material used in a stair nosing is important for the safety and performance of a stairway.

If the floor covering has a lrv of 50 then the stair nosing should have a lrv of between 0 20 or 80 100. Ibc 1002 14a details about the proper design of stair tread nosings in shape dimensions as well as history research stair tread nose hazard discussion are. This helps create the ladder effect. We offer cast abrasive and checkered plate 90 o angle nosing types for steel items and corrugated 90 o angle nosing for aluminum grating stair treads.