Acid damaged black limestone patio tiles in Bromsgrove

A local company in Bromsgrove were commissioned to lay a stunning and expensive Black Limestone patio for a customer who was renovating their property. Unfortunately, the company tried to clean the finished patio with brick acid, and because limestone is generally very porous and acid sensitive this discoloured the tiles to a rather unsightly, dull grey – a far cry from what their customer was expecting!

Acid Damaged Black Limestone Patio Before Restoration Bromsgrove

The company facing a large bill contacted Tile Doctor for expert advice to see if the beautiful tiles could be restored. If Tile Doctor couldn’t come to the rescue, then the company would have no choice other than to replace them at their own expense.

Acid Damaged Black Limestone Patio Before Restoration Bromsgrove Acid Damaged Black Limestone Patio Before Restoration Bromsgrove

Black limestone paving has become incredibly popular over the last few years as its dark tones suit the current trend for a monochrome palette. It is also hard wearing and readily available.

Tile Doctor specialise in the restoration of all types of tile and stone and as their local agent, I was asked to go over and see what could be done. I realised that the brick acid will have damaged the surface of the stone so to restore it I first tried applying a coarse 200 grit diamond burnishing pad. The pad successfully demonstrated that the appearance could be restored and impressed with the difference the site foreman booked me in to complete the whole patio. Luckily the weather forecast was set fair for a few days, which would be needed to clean and seal the patio.

Restoring an Acid Damaged Limestone Patio

Made with industrial diamonds and available in different sizes and grits, burnishing pads are ideal for restoring the appearance of polished stone floors. The first step was to work on the tiles with a course 200 grit diamond pad fitted to a weighted rotary machine and lubricated with water. This took off a layer of the limestone, bringing back the original black appearance of the tiles.

Acid Damaged Black Limestone Patio During Diamond Pad Polishing Bromsgrove Acid Damaged Black Limestone Patio During Cleaning With CRB Machine Bromsgrove

Next the patio was worked on with 400 grit diamond pads followed by 800 grit pads – the first stage of polishing – and each application was cleaned off with water. Because the property was being renovated there was a lot of dirt on the tiles and grout from construction, so I scrubbed in medium dilution of Tile Doctor Pro-Clean using a CRB (counter rotating brush) machine. Once done I rinsed down the area with more water and left it to dry. As you can see from the pictures it was a large area, so this work took two days to complete.

Acid Damaged Black Limestone Patio During Cleaning Bromsgrove

Sealing Limestone Patio Tiles to Restore Colour

I returned the next day to start the sealing process beginning with the application of Tile Doctor Stone-Oil which restores the deep black colour and texture to the limestone, it’s also an impregnating sealer that adds protection and improves mechanical strength once cured.

I allowed this to dry for 24 hours and then applied a coat of Ultra-Seal, a no-sheen natural-looking sealer formulated to provide maximum stain protection.

Acid Damaged Black Limestone Patio After Sealing Bromsgrove

The customer was very happy with the results. The patio tiles were fully restored to their original glory and their customer was delighted. More importantly, the company had been saved from making an insurance claim. They left the following feedback on completion:

“Great job by Kieron after the wrong cleaning solution was used on a patio we installed. Came up better than new!”

Acid Damaged Black Limestone Patio After Restoration Bromsgrove Acid Damaged Black Limestone Patio After Restoration Bromsgrove

 
 

Professional Restoration of a Black Limestone patio Near Birmingham

Original Quarry Tiled Hallway Restored in Rednal

I was recently contacted by a home owner who had recently bought a property in Rednal which is a residential suburb on the south western edge of Birmingham near Bromsgrove. They were updating the flooring and discovered a quarry tiled floor under their living room carpet. The Quarry tiles were most likely original dating back 113 years and the owner was keen to have such an original feature restored.

Quarry Tiled Floor Before Restoration Rednal

The Quarry tiles were well worn in areas and it looked as though a previous owner had levelled the floor using a cement screed to try and fill in any worn areas. Unfortunately, this had left the tiles with a rough surface and were very dirty as the photos show.

Quarry Tiled Floor Before Restoration Rednal

Cleaning Original Quarry Tiles

My first task was to remove any loose dirt and debris with a wet dry vacuum. Once done I then applied a strong dilution of Tile Doctor Pro-Clean to give the tiles an initial clean to remove dirt from the tiles. The solution was left to soak into the tile for around ten minutes and then worked into the floor using a rotary machine fitted with a black scrubbing pad.

Quarry Tiled Floor During Restoration Rednal

This process highlighted the roughness of the tiles from the cement as the pad was being torn by it. I decided that the best way to remove the cement was to scrape it away aided with a steamer. This meant a few hours on my hands and knees scraping away which was hard work but needs must!

Quarry Tiled Floor During Restoration Rednal

When this was completed I used hand held diamond blocks to remove paint marks and adhesive from where the skirting board had been. I then cleaned the floor again with more Pro-Clean and a new black pad, I also cleaned the grout lines with a stiff grout brush. The floor was then thoroughly rinsed off with water to remove any dirt and solutions and this was then extracted using a wet vacuum.

With the floor now clean I could see there were signs of efflorescence markings on the floor which is where salts are carried up through the floor through evaporation. These old floors don’t have a damp proof membrane in place to prevent damp issues so to neutralise the salts I applied Tile Doctor Acid Gel to the floor. This was left in place for a short time before rinsing the floor again. The floor was then allowed to dry out for a couple of days.

Sealing Original Quarry Tiles

Upon my return I checked the floor for damp with a meter which gave satisfactory readings. The floor was then sealed with two coats of Tile Doctor Colour Grow which is an impregnating colour enhancing sealer that really brought out the red colour of the quarry tiles.

Quarry Tiled Floor After Restoration Rednal

One the sealer had dried the floor was then buffed off with a white pad to remove any excess. As you can see the floor was transformed. I left the customer with a bottle of neutral tile cleaner to help maintain the floor.”

Quarry Tiled Floor After Restoration Rednal

 
 

Restoration of an Original Quarry Tiled Floor in the West Midlands