Top mounted Handrails such as AR10, AR45 or CB30 used on stairs, require a substrate width of 1150+mm to meet the minimum 1000mm clear between rails requirement of AS 1428 & NCC/BCA. Space permitting, a substrate design width of 1200mm+ to achieve compliance & allow for stanchions to be placed 75mm in from edge of concrete is ideal.
Wall mounted Handrails such as AR150, used on stairs, require a substrate width of 1210+mm to meet the minimum 1000mm clear between rails requirement of AS1428 & NCC/BCA.
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To save time, resource and ease of installation when specifying Moddex stair handrails or balustrades consult the Hot Design Tip or please contact us on 1800 663 339 (Australia) or 0800 663 339 (New Zealand).