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Inspecting Handrails and Guardrails: The “4-Inch Sphere” Safety Rule
Handrails and guardrails look simple. Almost boring. That’s usually why they’re wrong. I can’t tell you how many times someone waves a hand and says, “Those are fine.” And then I put a tape measure on them and everything changes. Why Rails Matter More Than People Think Rails exist for
February 22, 2026
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