Alternating Tread Stair Dimensions

Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.

Alternating tread stair dimensions.

Minimum tread width 22 in 56 cm minimum tread depth 9 5 in 24 cm maximum riser height 9 5 in 24 cm. The steeper the angle the larger the rise. For a crossover enter a quantity of two stairs and choose the option for a crossover platform in the next section. Adjust the riser height to the space between floors.

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. Installation instructions view step by step instructions on how to install alternating tread stairs. 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 stairs aluminum 68.

Alternating tread ladder crossover 2 alternating tread ladders connected by a platform industrial stairway calculate space requirements at various heights and angles. Start with this and adjust the angle of the carriage from there. Alternating tread stair quote. Handrail height to be placed a minimum 34 inches to 38 inches.

Welded steel construction with bolt on handrails. Industrial stairway with platform footprint. Alternating tread stair design. 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.

Get measuring guidelines product dimensions and connection details for alternating tread stairs. Baked in powder coat finish for added toughness. Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing. Specify the type alternating tread stair stair height and options.

For a 9 floor to floor height there would be 14 risers of 7 714. Alternating tread step design offers a shorter span than traditional steps. Alternating tread ladder with platform. Alternating tread stair angle.

Minimum and maximum heights apply. Industrial stairway crossover footprint 2 industrial stairs connected by a platform.