White Residue On Slate Tiles

One of the tiles has formed a chalky white section.

White residue on slate tiles.

With the exception of where we mostly stand under the shower head the tiles all have a white chalky coating on them. This section is also weaker and is beginning to crumble. When done correctly removing scale from the often. These stains usually white but sometimes brown or black can be removed without too much time or trouble.

I ve tired washing the white substance off with water and while it looks like it washes off when the tile dries the white stuff is still there. Within two day we noticed white picture framing and white discoloration on many tiles. White residue stains on tiles known as efflorescence white stains appearing on the surface of tiles is caused by water penetration underneath stone or tiles. Even spilled paint and other residues can be removed using a natural process.

When you wipe the tile to remove the leftover grout you must rinse your sponge often. The answer you say you have not sealed the floor yet so by the sounds of it you could still be wiping off the cutting dust residue on the surface of the slate tiles. When the tile is wet it looks fine. The culprit is lime scale a chalky mineral left behind when the tiles are exposed to hard water.

I ve tried a multitude of products to clean it off but nothing works. But after it dries the white is back. It has been about a week and the white areas are continuing to grow as does the number of tiles affected. Your suggestions are deeply appreciated.

If you have white residue on your stone here are a few tips and tricks for identifying the cause and possibly removing it. If not you re just spreading the grout residue onto new tiles. You can t see this when the tile is wet but. If your slate is looking a little worse for wear do not be alarmed.

The minerals in the water crystalise which results in white residue appearing on the surface of tiles. If it is powdery then it is likely efflorescence. If the substance can be scraped into shavings it may be an accumulation of cosmetics soaps cleaning products or hard water build up. We have small 1 tiles on our shower floor that is about 3 years old.

First take a close look.