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What is the minimum size tile requirement that meets with the ADA Accessibility Guidelines (ADAAG)?

April 26, 2017accessibility ADA adaag guidelines minimum requirement size tile

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What is the minimum size tile requirement that meets with the ADA Accessibility Guidelines (ADAAG)?

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A. The new draft guidelines specify the detectable warning surface tiles begin 6″ to 8″ from the curb line, generally at the back of the curb, and extend 2′ in the direction of travel on the curb ramp. The width of the detectable warning surface tile is specified to extend the width of the flat portion of the curb ramp.