Architectural · G-CG68D

Accessible Floor Transitions

Elements

Doors Floors / Slabs Foundations / Footings Roof / Floor Openings

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Accessible floor transition requirements consist of door thresholds, vertical level changes up to one-quarter inch maximum, and beveled transitions up to one-half inch maximum at a one-to-two slope. Carpet transitions require a maximum pile height of one-half inch, secure attachment, and a firm cushion or backing with level-loop or cut-pile texture. Compressed carpet is restricted to one-quarter inch maximum below thresholds. Floor openings are limited to a maximum of one-half inch diameter along the long dimension perpendicular to the dominant direction of travel.

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