The stair tread depth shall be measured horizontally between the vertical planes of the foremost projection of adjacent treads and at right angle to the tread s leading edge.
Ada stair nosing contrasting color.
1 800 248 2878 or all residential products.
The radius of curvature at the leading edge of the tread shall be 1 2 inch 13 mm maximum.
The strip must measure two inches wide while remaining parallel to the nosing of each step and must possess anti slip features.
1 800 899 8916 commercial soft surface.
View stair nosing on ecomedes technical environmental specifications for additional information please contact the appropriate technical team.
Consider providing visual contrast on tread nosings or at the leading edges of treads without nosings so that stair treads are more visible for people with low vision.
Balco stair nosings provide an ada compliant slip resistant tread for the leading edge of stairs that promote foot traction and protect steps from wear and tear.
The nosing shall project no more than 1 1 2 inches 38 mm.
In addition to these requirements the tread must be placed no further than one inch from the nosing of the step.
Each tread or nosing must have a contrasted color to differentiate between the step and the tread.
Our stair nosings have a proprietary epoxy abrasive that maintains integral color aggregate over time and is both hard enough to hold its form yet flexible enough to prevent cracking and chipping.
Access board research safety yellow is the most visually detectible color.
Open risers are not permitted.
Is color contrast required for stair nosings.
The undersides of nosings shall not be abrupt.
Consider providing visual contrast on tread nosings or at the leading edges of treads without nosings so that stair treads are more visible for people with low vision.
Stair tread nosing projection past vertical riser below 3 4 to 1 1 2 required on stairs with solid risers.
According to the u s.
11b 504 4 1 accessibility to public buildings public accommodations commercial buildings and public housing contrasting stripe interior stairs shall have the upper approach and lower tread marked by a stripe providing clear visual contrast.
Each stair tread is 11 inches 280 mm deep minimum with a sloped riser.
Stair treads shall be no less than 11 in 280 mm wide measured from riser to riser.