The following photos show a modern Limestone tiled floor that had been damaged by the office cleaner. Bit of a long story but basically the cleaner had inadvertently placed a bottle of a strong cleaning chemical which was leaking in a bin liner, that then proceeded to leak onto several areas of the floor as he walked around the office. The chemical soaked into the Limestone tiles unnoticed causing damage and acid etching.
These close-up photos below show the damage, which couldn’t be removed with normal cleaning products and required machine cleaning the floor with the Tile Doctor burnishing pad system as well as hand held Tile Doctor diamond blocks to get into the edges.
Due to it being a busy office environment it wasn’t possible to do work during the week so the work was booked in for the weekend.
Burnishing and Polishing Limestone Floor Tiles
The process used for cleaning and restoring these floors was to use hand held diamond blocks starting with 100 grit and polishing out the acid etching lines using small amounts of water, I then repeated this process with a 200 grit block graduating the cleaned area to blend in before switching to the machine to apply the burnishing pads.
The burnishing pads are applied from coarse to fine starting with a coarse 400 grit pad that removes old sealers and dirt. The floor was rinsed and then then the 800 grit pad was applied which is the first step in restoring the polish to the Limestone, this was followed by the finer 1500 grit pad which brings up the polish even further and giving the whole area a consistent appearance. One of the benefits of using this system is as no chemical are required, only a little water to help lubricate so it’s extremely environmentally friendly.
After applying the third pad the floor was given a thorough rinse with water to remove any soil produced by the burnishing process. The water was then extracted from the floor using a wet vacuum and left to dry off overnight.
Sealing Limestone Floor Tiles
I returned on the Sunday to polish the floor to a high shine with the last very fine burnishing pad which is 3000 grit and is applied without any water. Once complete the floor was sealed using Tile Doctor Ultra Seal which is a premium hard wearing sealer that provides a natural finish.
I appreciate it’s tricky to see the difference in these photographs but hopefully it’s comforting to know that if you have a similar problem it can be resolved.
Prevention of course is better than the cure of course so be wary of acidic products especially supermarket cleaning products which tend to have acidic formulas that will reduce the life of your sealer and damage the stone floor over time.
Source: Limestone Tile Cleaning and Restoration Service in Bedfordshire
This call actually came from a cleaning company where one of their cleaners had been to a customer in the village of West Hanney near Wantage and tried to clean the walls of this Limestone Shower using a supermarket Limescale remover, which as you can see from the photograph below didn’t work out very well.
I should point out that Limescale removers contain some strong acids which should never be used on stone or sealed surfaces as the acid will etch the surface. Even weak acid cleaners used over time will have an effect so do take care and always read the label.
Resurfacing Limestone Shower Tiles
To restore the surface I realised it would need to be treated like a polished stone floor and burnished. So with this in mind I started burning the tiles with a little water and a coarse 6 inch diamond burnishing pad fitted to a hand held rotary machine before moving onto a medium pad. Normally to bring up the polish you would move onto the fine and super-fine pads but it was evident that the other shower walls had a matt finish so there was no need.
Sealing Limestone Shower Tiles
I waited for the Limestone tiles to dry and applied two coats of Tile Doctor Ultra Seal which is a penetrating sealer that will protect the stone from staining.
The owners of the house were very pleased that the wall was not ruined and the cleaning company relieved that the problem had been resolved.
Source: Professional UK wide maintenance service for Tile, Stone and Grout
This Polished Limestone floor had been laid in the communal hallway of a block of flats in Aston Clinton and as you can see from the photograph below the stone had become ingrained with dirt over time and was now overdue for a deep clean and polish. Apologies for sounding like a dentist and also the photographs as the lighting wasn’t brilliant in the corridor.
Cleaning Limestone Tile and Grout
Due to the heavy soling of the stone and grout lines we started by applying a strong dilution of Tile Doctor Pro-Clean which is an alkaline cleaning product that’s safe to use on Stone and Grout. The solution was scrubbed into the floor using a commercial rotary machine fitted with a fitted poly brush; once the cleaning solution had become dirty the floor was rinsed with water and the process re-applied until the stone and grout were clean.
Polishing Limestone Floor Tile
Our next task was to re-build the polish on the stone using a set of Tile Doctor Diamond encrusted burnishing pads which are applied to the tile in sequence from Coarse to fine further cleaning and polishing the stone until its returned to its original condition. The pads come in a set of four and you start with the coarse pad together with a little water. This this cuts through and removes surface grime, dirt and any remaining sealer. The floor is then rinsed and you move on through the remaining pads until the polish has been restored to the tiles. This process took up much of the first day so the floor was given a final rinse and left to dry overnight.
Sealing Limestone Tiles
On the second day we returned to find the tiles had dried and we started to seal the Limestone using three coats of Tile Doctor Colour Grow which is a colour intensifying sealer that soaks into the pores of the stone bringing out the natural colours whilst providing that all important lasting protection.
Source: Tile, Stone and Grout Maintenance and Restoration in South-Buckinghamshire