Section 26.10 - THRESHOLDSThresholds at doorways shall comply with the following (SeeFig. 26h):
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26.10.1 Thresholds shall not exceed 1/2 inch (1/2" = 13mm) in height and shall be beveled on both sides with a slope no greater than one-in-two (1:2) (50%).26.10.2 Changes in floor finish materials shall have an edge strip or threshold that is beveled at a ratio of one-in-two (1:2) (50%).26.10.3 Exterior sliding door thresholds shall not exceed 3/4 of an inch (3/4" =19mm) in height and shall be beveled both sides with a slope no greater than one-in-four (1:4) (25%).