P-29, r. 1 - Regulation respecting food

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9.9.2. Materials of floors, walls and ceilings: In the rooms for holding or processing sea food products, the floor must be free of cracks and made of material that is waterproof, washable, and resistant to any warping.
The wall and ceiling coverings must also be washable.
O.C. 1055-82, s. 14; O.C. 725-94, s. 68.