P-42, r. 10.1 - Regulation respecting the safety and welfare of cats and dogs
6. Floors in the building, and the lower portions of walls with which an animal may come into contact, must
(1) be made of non-porous, non-toxic, smooth, durable materials that can be washed and disinfected easily, and are mould and corrosion resistant;
(2) be in good condition and free of holes other than those for urine drainage, with no parts jutting out and no sharp edges or other potential causes of injury.