Ada Stair Tread Requirements

Treads shall be 11 inches 280 mm deep minimum.

Ada stair tread requirements.

Open risers are not permitted. An essential component to a building s ada compliance are the stairs up to the building. Our ada and osha compliant stairs ramps and platforms are made in america out of durable aluminum and will not rust or rot. Requirements for stairways address treads and risers surfaces nosings and handrails.

Each stair tread is 11 inches 280 mm deep minimum with a sloped riser. The ada spells out requirements for stairs in its accessibility for buildings and facilities guidelines. These handicap handrails and steps will give your business a clean professional look. The ada specification measures from riser to riser essentially excluding the additional amount of tread depth afforded by the tread nosing.

504 2 treads and risers. Exit stairway enclosures stairways ada standards 210 504. Open risers are not permitted. This ada detail for 11 inch stair tread width refers to what some specifications call stair tread depth the distance from stair nose to stair riser on an individual stair tread.

Providing visual contrast light on dark or dark on light on the top and bottom steps that is approximately 2 inches wide and located either on nosings or at the leading edges of treads is helpful for people with low vision. These aluminum step systems are code compliant with ibc ada osha stair requirements. As part of that law the ada establishes accessibility requirements for construction and alterations of government facilities public spaces and commercial facilities. 4 9 2 treads and risers.

Risers shall be 4 inches 100 mm high minimum and 7 inches 180 mm high maximum. Stair treads shall be no less than 11 in 280 mm wide measured from riser to riser. Stair treads shall comply. The americans with disabilities act ada founded in 1990 is an american civil rights law that forbids discrimination towards disabled individuals.

All of our ramps are proudly made in the usa. Thus ada requirements provide disabled and handicapped people access to buildings both public and private that they would not have otherwise had. On any given flight of stairs all steps shall have uniform riser heights and uniform tread widths.