Stair Guard Opening Limitations

According to the IRC®, the triangular opening at a guard at the open side of a stair formed by the riser, tread, and bottom rail of a guard must not allow a sphere 6 inches (153 mm) in diameter to pass through it.
According to the IRC®, the triangular opening at a guard at the open side of a stair formed by the riser, tread, and bottom rail of a guard must not allow a sphere 6 inches (153 mm) in diameter to pass through it.

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