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Machinc
Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 905
Experience:  Has written home improvement articles since 2008. Earned South Carolina Residential Builders License in 1991.
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What is the minimum height for a guardrail on the exterior

Customer Question

What is the minimum height for a guardrail on the exterior stairs of garage?
Submitted: 10 months ago.
Category: Home Improvement
Expert:  Machinc replied 10 months ago.
http://www.co.stevens.wa.us/landservices/documents/stairwaysection.pdf
Expert:  Machinc replied 10 months ago.
Guardrails/handrails can be 34-38 inches.
The minimum would be 34 .
This is for the place where you would place your hand when going up or down exteriior
stairs.
Expert:  Machinc replied 10 months ago.
The rail for the landing should be 3'-6" (42 inches)
Expert:  Machinc replied 10 months ago.
Local codes vary with 36 " to 38 " being acceptable . Check with your local building inspector before going lower than 38"
Expert:  Machinc replied 10 months ago.
the spacing of ballisters can vary with local codes with three and one half to four inches being commonly accepted. Check eith your local inspector before proceeding
Expert:  Machinc replied 10 months ago.
The same codes apply to stairs on residential garages as living areas.
Expert:  Machinc replied 10 months ago.
Commercial garages require the higher handrail height 38" and 42" for the height at the landing
Expert:  Machinc replied 10 months ago.
The link is basically for residential applications.http://www.co.stevens.wa.us/landservices/documents/stairwaysection.pdf

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