Tile and grout care: start with the material
A practical starting point for cleaning tile and grout: identify the surface, choose compatible products and investigate stains before using stronger treatments.
Before treating a mark on tile, establish what you are cleaning. Glazed ceramic, polished porcelain, glass and natural stone do not all respond to the same products. The grout, sealant and any existing sealer also need to be considered.
This is a starting guide, not a substitute for the care instructions for your particular tile and installation products.
Keep routine care compatible and simple
Remove loose grit before wiping or mopping. Use a cleaner approved for the surface and grout, follow its dilution and application directions, and remove residue as instructed. Test an unfamiliar product in an inconspicuous area first rather than starting on the most visible tile.
MAPEI’s care guidance for tiled showers emphasises identifying the installation materials and choosing appropriate maintenance products. A stronger cleaner is not automatically a better everyday cleaner.
Warm Glass Mosaic: the backsplash, grout and countertop meet in one working area. Keep the care instructions for the actual finishes rather than assuming one treatment suits them all.
Select the photo for a closer look.Work out whether it is a stain, residue or surface damage
A white film, a dark grout joint and a dull patch can have different causes. A cleaning method that removes one may do nothing for another. For example, Daltile explains that acid can etch marble and limestone; that loss of polish is surface damage rather than a stain that can simply be washed away. See its natural-stone care guidance.
Avoid experimenting with acids, abrasive pads or mixed cleaning products. Photograph the area, note what has already been applied, and check the manufacturer’s recommendation before escalating the treatment.
Do not assume everything needs a sealer
Sealing depends on the particular tile and grout. MAPEI distinguishes porous materials from low-porosity glazed surfaces in its sealer guidance. Follow the specifications for the products actually installed rather than adding a coating because another bathroom needed one.
A maintenance sealer should not be treated as a repair for a leaking shower or a substitute for the waterproofing beneath the tile.
Keep the installation details with the house
WNA recommends keeping the tile name and finish, grout product and colour, any sealer details and the manufacturer’s care instructions together. Those details make a future cleaning or repair question much easier to answer.
When asking about a problem, send a whole-area photograph as well as a close-up. Tell us when it appeared and whether it returns after cleaning. Contact WNA before a small cosmetic concern becomes an experiment with an unsuitable treatment.

