English to Spanish Tech/Engineering Construction / Civil Engineering Construction supplies

Light Duty Maintenance Services for Internal and External Facility Systems covering the following:

Walls/Moveable Walls, Ceiling Grids, Ceiling Tiles, Floors(general), Signage, Plumbing, Carpentry, "pet Tiles", Notice Boards, Room Numbering, Lockers, Curtains/Blinds/Drapes, Wall Clocks, Paintings and touch ups, lRoadways and Paths, External Door Systems, Ceiling Tiles Fencing, Terrace Areas, Smoking Areas, External Signage.

What kind of tiles are "pet tiles"?

Thank you in advance for any help with this term.