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Black Limestone cleaning and sealing information
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Help with Tile and Stone  >  Black Limestone
Black Limestone

The robust nature of Black Limestone makes it ideal for use as garden paving where it contrasts well against green planting and looks fantastic when wet. Like any stone it will fade over time, especially in external applications where the weather can wear down the surface..

One of the biggest problems with Black Limestone is it's acid sensitive nature and we have seen a number of occasions where acidic patio cleaning products have ruined the appearance of the stone leaving it looking washed out. Another common issue is the application of sealers designed for internal use which cannot cope with the weather conditions.

Maintaining External Unsealed Black Limestone

Limestone Tile Apply Tile Doctor Pro-Clean diluted 1:3 with water and leave to dwell for ten mintutes. Then scrub the Pro-Clean into the stone with a Black buffing pad fitted to a rotary floor machine. Remove the resulting slurry with a wet vacuum and rinse down the stone with water a few times to remove and remaining solution. Leave to dry off overnight.


Black Limestone patio during cleaning in Walgrave

Maintaining External Sealed Black Limestone

Limestone Tile Use a coarse 200-Grit Diamond pad attached to a buffing machine lubricated with water where required to remove the sealer and clean up the stone.

Limestone Tile Remove the slurry with a wet vacuum and then continue with a 400-Grit No.1 Red burnishing pad to close the pores. Again apply with water and remove the slurry with a wet vacuum.

Limestone Tile If there is any flashing (old sealer) still in place then use Tile Doctor Remove and Go on these areas, scrub and rinse with water after a five to ten minute dwell time.

Acid Damaged Black Limestone

Limestone Tile Start with a coarse 100-Grit Diamond milling pad attached to a weighted buffing machine, 50 to 55kg of extra weight is perfect for this as it will enable the pad to dig deeper into the rougher texture of the stone and resurfce the damage caused by the acid. Again lubricate with water where required and remove the slurry with a wet vacuum.

Limestone Tile Next apply a 200-Grit Diamond pad attached to a buffing machine to further refine the surface of the stone. Lubricate with water where required and remove the slurry as before with a wet vacuum.

Limestone Tile Continue to refine the surface of the stone with a 400-Grit No.1 Red burnishing pad to close the pores. Again apply with water and remove the slurry with a wet vacuum. If there is any flashing (old sealer) still in place then use Tile Doctor Remove and Go on these areas, scrub and rinse with water after a five to ten minute dwell time.


Sealing Black Limestone

Limestone Tile A sealer should only be applied when the stone is fully dry so you may need to wait until the weather improves before applying a sealer. If your unsure use a damp meter to measure the mositure level in the stone. To seal apply one coat of Tile Doctor Colour Grow, its a penetrating colour enhancing that will protect the stone, intensify the black colour and is rated for external use.

Black limestone patio in Walgrave sealed with Tile Doctor Colour Grow

Sealing Acid Damaged Black Limestone

Limestone Tile When sealing Black Limestone that has been acid damaged you will most likely find the oil in the stone has been leached out by the acid. The oil can be replaced by applying two coats of Tile Doctor Stone Oil. When ordering please remember the coverage of a 1 litre tin is 10m2 so for two coats on 10m2 you will need to purchase two litres. Make sure to polish off all and any excess of Oil before applying the 2nd coat and the same again when the 2nd coat is applied.

Limestone Tile We recommend waiting 24 hours after applying Stone Oil before sealing however if you wish to apply a sealer earlier than that you can apply Tile Doctor Ultra-Seal which is a thinner product and can be applied to oiled stone after 2 hours. A 1 litre tin of Ultra-Seal will cover 20 to 30m2 depending on texture and porosity of the stone.

PLEASE NOTE: Sealers break down after 2-3 years (depending on usage) and will need to be re-applied.

Internal Wall & Floor Tile Maintenance

For internal Wall & Floor Tile Maintenance including cleaning, polishing and sealing please treat in the same way as normal Limestone. Full details on the maintenance of Limestone can be found on our Limestone maintenance page.

Black Limestone floor in Godalming cleaned and sealed

Regular Maintenance of Black Limestone

For the regular cleaning of Black Limestone use a sealer friendly cleaning product such as Tile Doctor Stone Soap which has been especially formulated for the regular cleaning of Sealed Stone and Tile surfaces keeping them fresh.

For many examples of Limestone cleaning and sealing activities carried out by UK Tile Doctors including Black Limestone please visit http://limestone.tilecleaning.co.uk

Recommend Limestone Cleaning Products

When using our products please take time to familiarise yourself with the directions on the back of the bottle first.

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17 Inch   400 Grit Coarse Red No.1 Burnishing Pad
For removal of topical sealers and most impregnating Sealers, use only with water.
£45.00
In Stock!
17 Inch 100 Grit Very Coarse Milling Pad
17 Inch 100 Grit very coarse diamond milling Pad for resurfacing rough stone floors after milling. Can also be used for cleaning Victorian floor tiles.
£50.00
In Stock!

17 Inch 200 Grit Coarse Milling Pad
17 Inch Coarse 200-grit diamond Milling Pad for resurfacing stone floors after milling. Can also be used for cleaning Victorian floor tiles.
£50.00
In Stock!
17 inch Buffing Pad Black
Black Buffing pad 17" (44cm), for heavy duty wet scrubbing, use with with Tile Doctor Pro-Clean to remove wax layers and most synthetic sealers, also use on heavily built up grime and dirt.
£12.00
In Stock!

Tile Doctor Colour Grow Sealer 1 Litre
Colour Grow, is a solvent based colour intensifying sealer that provides durable surface protection as well as allowing the surface to breath and enhance colour.
£30.00
In Stock!
Tile Doctor Colour Grow Sealer 5 Litre
Colour Grow, is a solvent based colour intensifying sealer that provides durable surface protection as well as allowing the surface to breath and enhance colour.
£125.00
In Stock!

Tile Doctor Pro-Clean 1 Litre
A concentrated, multi-purpose high-alkaline cleaner, stripper and degreaser. Best for Heavily Soiled & Neglected Tile, Stone or Grout.
£13.00
In Stock!
Tile Doctor Pro-Clean 5 Litre
A concentrated, multi-purpose high-alkaline cleaner, stripper and degreaser. Best for Heavily Soiled & Neglected Tile, Stone or Grout.
£48.00
In Stock!

Tile Doctor Remove & Go 1 Litre  ( with trigger spray )
Tile Doctor Remove and Go is a non-flammable, multi-purpose stripper formulated with a long dwell-time to remove most sealers, epoxy grout haze, urethane coatings, synthetic finishes, adhesives and paints.
£18.00
In Stock!
Tile Doctor Remove & Go 5 litre
Tile Doctor Remove and Go is a non-flammable, multi-purpose stripper formulated with a long dwell-time to remove most sealers, epoxy grout haze, urethane coatings, synthetic finishes, adhesives and paints.
£69.00
In Stock!

Tile Doctor Stone Oil 1 Litre
Tile Doctor Stone Oil is an easy to apply pre-polish impregnating sealer, ideal for low porosity stone and terracotta designed to enhance the colour and texture of floors and improve mechanical strength once cured.
£14.99
In Stock!
Tile Doctor Stone Soap 1 Litre
Tile Doctor Stone Soap is an after care cleaner for natural stone tiles (Honed or Polished) where a build up of patina is required thus protecting the existing sealer.
£12.99
In Stock!

Tile Doctor Stone Soap 5 Litre
Tile Doctor Stone Soap is an after care cleaner for natural stone tiles (Honed or Polished) where a build up of patina is required thus protecting the existing sealer.
£63.00
In Stock!
Tile Doctor Ultra-Seal 1 litre
Premium, no-sheen, natural-look, solvent-based penetrating sealer formulated to provide maximum stain protection, especially in food preparation and serving areas.
£36.00
In Stock!

Tile Doctor Ultra-Seal 5 litre
Premium, no-sheen, natural-look, solvent-based penetrating sealer formulated to provide maximum stain protection, especially in food preparation and serving areas.
£165.00
In Stock!

Ask the Tile Doctor
If you have a problem with your Tile and Stone why not ask the Tile Doctor for advice.

Contact us for a personal solution to your tile installation problem by calling us on 0345 512 0122 or e-mail Info@TileDoctor.co.uk. Please include as much detail about your issue as possible and if you feel it will help attach a photograph. Our Tile Doctor have many years of experience of dealing with the typical issues that people experience and were confident we can find the right solution.


Alternately take a look at one of our dedicated sites below where we detail real examples of issues faced by our customers and how they were resolved.

Ceramic Tiles | Church Floors | Encaustic Cement | Stone Fireplaces | Grout | Limestone | Marble | Pamments | Patios | Porcelain Tiles | Quarry Tiles | Sandstone Flagstones | Shower Tiles | Slate Tiles | Swimming Pools | Terracotta Tiles | Terrazzo | Travertine | Victorian Tiles | Vinyl | Stone Worktops



Detailed information on the care and maintenance of Black Limestone tiles including cleaning and sealing.
    Telephone/Fax: 0345 512 0122, E-Mail Info@TileDoctor.co.uk Tile Doctor - tile, stone and grout cleaning & sealing specialists
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