Removing Cement Screed from a Quarry Tiled Floor in South Wales
The owner of this Quarry tiles floor at a house in Swansea had expended much effort in its restoration and feeling exhausted decided to call in their local Tile Doctor to finish it off.
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I never saw the original flooring but I could see it had been covered by some sort of cement screed which had probably been used, judging by the imprints, to support large carpet tiles. I’ve come across a few floors like this, you can’t simply put carpet over a tiled surface as tiles can be slightly convex in shape and the grout lines result in dips forming in the carpet so as a result a floor levelling compound is usually applied beforehand.
After doing a cleaning sample and a test to see how stubborn the cement compound was to remove I agreed with the customer that it was possible and showing her the test results, she was happy to proceed with the work.
Removing Cement from a Quarry Tiled Floor
Before starting I took a few moisture readings with a handheld damp meter, I always recommend doing this at the start as it gives you a baseline reading that can be used to determine the floor has dried and ready for sealing later. Most old floors don’t have a damp proof membrane installed and so if the moisture readings were high I would recommend coming back to seal the floor at a warmer part of the year.
The first step was to remove all the cement compound from the surface of the tiles and then scrape as much paint and plaster off the tiles before cleaning with an undiluted mixture of Tile Doctor Pro-Clean and Remove and Go. This combination of two different products make a great team; Pro-Clean is a versatile, high alkaline cleaner that is used to deal with reasonably heavy soil build-up on natural stone and Tile. Remove and Go, also safe to use on natural stone and tile is specially formulated to remove old coatings including paint and old sealers.
This solution was applied to the floor and, working in small sections, I scrubbed it into the tiles using a rotating scrubbing machine fitted with a nylon brush attachment; it was also scrubbed into the grout using a stiff brush. The floor was then rinsed, and the resulting cleaning slurry was vacuumed away using a wet-vax machine.
The final stage of the cleaning process was to run over the tiles with a coarse 200 grit diamond pad together with Grout Clean-up which is another Tile Doctor product that removes mineral deposits such as old grout and cement smears. After a final rinse I could see the all the cement had been removed and the Quarry tiles were looking much healthier and ready for sealing.
Sealing a Quarry Tiled Floor
I left the floor to dry out overnight with the aid of heater fans and all doors closed to keep it warm. When I returned the next day, I retested the floor for moisture and compared the initial readings to confirm the floor was ready for sealing.
The Quarry tiles were quite porous so to seal the Quarry tiles, I eventually used eight coats of Tile Doctor Seal & Go which not only provides a protective covering but also enhances the colours of tiles especially old red quarry floor tiles.
The customer was thrilled with the results of the floor and was so impressed told me she was going to recommend Tile Doctor to her friends.
Source: Quarry Tile and Grout Cleaning Service in Swansea