Mop sink wall guards are stainless steel plates 12 in high shipped loose for field installation and provide protection against impact and possible water damage that may occur during normal everyday use. An inside corner piece is provided for two wall and three wall configurations. Material is 20 ga (0.037) type 304 stainless steel with exposed surfaces polished to a #4 satin finish and includes beveled top edge and sides for rigidity, (1/4 in) return at bottom edge and countersunk holes for mounting to wall. Hardware provided includes (four)no. 10 x 1-3/4 in L cad plated steel Philips head screws, which may be substituted by installer as required to suit wall conditions.