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Machinc
Machinc, General Contractor
Category: Home Improvement
Satisfied Customers: 813
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: 3 months ago.
Category: Home Improvement
Expert:  Machinc replied 3 months ago.
http://www.co.stevens.wa.us/landservices/documents/stairwaysection.pdf
Expert:  Machinc replied 3 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 3 months ago.
The rail for the landing should be 3'-6" (42 inches)
Expert:  Machinc replied 3 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 3 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 3 months ago.
The same codes apply to stairs on residential garages as living areas.
Expert:  Machinc replied 3 months ago.
Commercial garages require the higher handrail height 38" and 42" for the height at the landing
Expert:  Machinc replied 3 months ago.
The link is basically for residential applications.http://www.co.stevens.wa.us/landservices/documents/stairwaysection.pdf

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