Alternating Tread Stair Dimensions

But with an alternating tread stair the difference in height between the right and left treads is the unit rise using the guidelines of commercially built alternating tread stairs i try to get the unit rise between 6 1 2 in.

Alternating tread stair dimensions.

The change in elevation as shown on the drawings between the upper finished floor surface where the top landing will be attached and the lower finished floor surface where. Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles. For a crossover enter a quantity of two stairs and choose the option for a crossover platform in the next section. Alternating tread stairs aluminum 68.

Alternating tread ladder with platform. Baked in powder coat finish for added toughness. Minimum and maximum heights apply. Industrial stairway crossover footprint 2 industrial stairs connected by a platform.

Specify the type alternating tread stair stair height and options. Features handrail on each side of unit dual safety chain at the top of the stair and formed steel steps with raised surfaces for better traction. Handrail height to be placed a minimum 34 inches to 38 inches. Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.

Welded steel construction with bolt on handrails. 56 or 68 degrees from horizontal as specified in the drawings. Minimum tread width 22 in 56 cm minimum tread depth 9 5 in 24 cm maximum riser height 9 5 in 24 cm. Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing.

Alternating tread stair quote. Alternating tread stair design. Adjust the riser height to the space between floors. Get measuring guidelines product dimensions and connection details for alternating tread stairs.

Industrial stairway with platform footprint. For a 9 floor to floor height there would be 14 risers of 7 714. Installation instructions view step by step instructions on how to install alternating tread stairs. Start with this and adjust the angle of the carriage from there.

Alternating tread step design offers a shorter span than traditional steps. Alternate tread loft staircases are available to order to customised sizes from stairs uk these have a space saving compact design prices start from 249 excluding vat our alternating tread loft stairs are available as self assembly kits flatpack or pre assembled quick delivery times and quality staircases with low prices from a iso9001 accredited staircase manufacturer.