STEEL alternating tread stair
Utilizes a three stringer design with alternating treads that weld to the stringers.
Includes handrails that are bolted in place during the installation process.
Is available in stainless steel with a natural finish and carbon steel with a variety of finishes.
Extends 42" above the top landing of the stair and is used on most stair applications.
This shortened rail extends 5-3/4" above the top landing of the stair and is designed for use within a roof hatch or a hatch with a standard 12” curb. This is the most commonly used option for stairs going through an access hatch.
Rail terminates flush with the top landing of the stair. This rail is the least common and is used inside of access hatches with little to no curb.
All rails are close fitting with a 20” inside width and 23” outside width.