Section 25-B1806. CLEANABILITY - WALL AND CEILING COVERINGS AND COATINGS  


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    1806.1Wall and ceiling covering materials shall be attached so that they are easily cleanable.

     

    1806.2Except in areas used only for dry storage, concrete, porous blocks, or bricks  used for indoor wall construction shall be finished and sealed to provide a smooth, nonabsorbent, easily cleanable surface.

     

source

Final Rulemaking published at 56 DCR 5245 (July 3, 2009).