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Home > Performance Standards for Quality Control > Carpentry and Framing > Observation: Interior stair tread deflects too much.

Observation: Interior stair tread deflects too much.

Performance Standard: The maximum vertical deflection of an interior stair tread shall not exceed 1/8 inch at 200 pounds force.

 Corrective Measure: The remodeler will repair the stair to meet the performance standard.