The Americans with Disabilities Act (ADA) mandates strict standards for changes in floor levels. Transitions that exceed 1/4 inch vertically require a beveled edge with a slope no greater than 1:2. If the transition exceeds 1/2 inch, a ramp with a 1:12 slope is generally required. Transition strips serve as the engineered solution to meet these specific geometric requirements, creating a seamless, accessible transition between different flooring types. Failure to install compliant transitions can lead to liability issues, accessibility non-compliance, and increased risk of pedestrian injury in high-traffic public spaces.

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