The SKY030 Iron Grey 55 in. Steel Add Riser is an accessory for the Sky030 63 in. Dia spiral staircase model K26286. Up to 3 additional risers can be added to reach a maximum height of 148-1/16 in. The additional riser kit consists of one 12-Gauge powder coated steel component (iron grey)， 3 balusters， connectors and stainless steel hardware. Please refer to the data sheet to determine how many add risers are required to reach your finished-floor-to-finished-floor height.
Exterior installation
Each riser will add 26.4 to the rotation of the stair
Rise adjustable from 8-9/32 in. to 9-1/4 in.
Use only with SKY030 model K26292
Important: consult your local building inspector for specifics regarding compliance with the local building codes
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