Thresholds and expansion joint covers shall be flush with the floor, except at exterior doors. Adjacent dissimilar floor materials shall be flush with each other to provide an unbroken surface.
Minn. R. agency 144, ch. 4660, CONSTRUCTION DETAILS, CHUTES AND ELEVATORS, pt. 4660.6910
Statutory Authority: MS s 144.56; 144A.02 to 144A.08