I recently cleaned and sealed this small Black Slate tiled kitchen floor in the market town of Caldicot. You can see from the before image below that the sealer that was applied when the floor was installed twelve years ago had completely failed and had begun to flake away. Kitchen floors and especially small floors like this one do get a lot of foot traffic resulting in wear to the sealer, they are also subject to staining from cooking.
To restore the Slate back to its original appearance what was left of the old sealer would need to be stripped back entirely, then the tiles would need deep cleaning and resealing. In this case the customer wanted to keep the permanent wet look finish however I had a sealer in mind that would provide this.
I discussed with the client the process to get the floor cleaned and restored and created a quote for doing the work which would only take a day. Happy with the quote a date was set for the work to start.
Cleaning a Black Slate Tiled Kitchen Floor
After protecting the kitchen unit plinths from splashing I started by brushing diluted Tile Doctor Pro-Clean onto each tile and left it to dwell for fifteen minutes. This gives the product time to breakdown and lift the remnants of the remaining sealer. The solution was then agitated with a seventeen-inch 120-grit poly brush that attaches to a rotary floor machine along with more water to help lubricate the process.
Fortunately, being a small floor with large format Slate tiles there wasn’t much grout so it didn’t take too long to get the grout clean with more Pro-Clean scrubbed in by hand with a scrubbing brush.
The scrubbing turns the cleaning solution black with the dirt and old sealer released from the tile which was then vacuumed up. I noticed however that not all the sealer had been removed so I repeated this process once again until I was satisfied.
After drying the floor completely using an air mover it was evident that all the previous sealer had been removed and the floor was now ready to be sealed
Sealing a Black Slate Tiled Kitchen Floor
The customer had requested a high satin finish, the same as it looked after it was first laid. To achieve this, I applied Tile Doctor Seal and Go, applying four even coats which left the floor glistening.
The new sealer will ensure dirt cannot find its way into the pores of stone and remains on the surface where it can easily be cleaned away by the client. This allows the customer to easily maintain the cleanliness of the floor.
My customer was delighted with the results and said that it even looked better than when it was installed over 12 years ago! For aftercare I left the customer with a bottle of Tile Doctor PH Neutral Tile Cleaner which will help maintain the appearance of the floor. You do need to be careful when choosing a floor cleaning product as most are simply too strong for use on sealed tiles and will strip off a sealer with repeated use.
When cleaning tiles with a mop we recommend using two buckets, one containing a neutral pH cleaning fluid such as Tile Doctor Neutral Tile Cleaner or Stone Soap and the second where you rinse your mop afterwards, otherwise you will contaminate your cleaning fluid with dirt every time you rinse.