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Keuka Studios Stair and Deck Railing
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"The new railing in our entrance has completely transformed the look of the room. We have quite a few people asking about the railing. We are very happy with our purchase."
Tomaz Wojcicki
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Keuka Studios, Inc.

1011 Rush Henrietta Town Line Rd.
Rush, NY 14543


Ph: (585) 487-6148
Fx: (585) 487-6150




     
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CUSTOM DESIGNS
Facts and Codes

Most Municipalities in the US have adopted International Residential Code (IRC for Residential) and the International Building Code (IBC for Commercial) which specify rules for railing design and usage. A brief overview of these rules are outlined below. Note: Code interpretations vary across the country so it is imperative that you consult with your local code official before beginning any building project.



Guard Rails:

Guardrails are used to minimize the possibility of a fall and are generally required on balconies, stairs, ramps and landings that are above 30" high. Top rail heights need to be 36" high (in most states) for residential and 42" high for commercial.



Handrail:

Handrails are a horizontal or sloping rail intended for grasping by the hand for guidance or support. Handrails heights should be between 34-36" above the nose of the tread.

Minimum guard railing height

Gaurd Rail openings

Where Guard Rails are required on balconies, openings in the railings are restricted to an area no larger than what a 4" sphere will pass, on stairs the sphere size is slightly larger (see illustration below). In the current IBC and IRC codes, the 4" ball rule is not a test under load rule. It is a dimensional test, however interpretation of this varies so you should consult with your local code official before starting

Maximum guard openings

Post Spacing:

Post to post spacing, post rigidity and cable tension all work together in a system to prevent a 4 inch sphere from passing through the cables. We space our cables at 3" and recommend a maximum post to post spacing of 42 inches. See illustration Below.

Cable force illustration

4 inch sphere rule