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Natural Stone Sealer - COLOUR ENHANCER
Sample Available
Product Reviews
By Barry

Used Xtreme cleaner on my patio could not believe the result cleaned it like new (and it was black/green) thought I would seal it with colour enhancer again could not believe the result have colours I didnt know I had better than new, contacted the company with a couple of questions and spoke to a friendly and knowledgeable human being brilliant!! Could not recommend this company and products used highly enough

By Steven Dean

I used the colour enhancer on a newly built drive comprising black granite setts, grey granite blocks, polished and flamed silver granite blocks and limestone setts, and what was previously a bland uniform grey hued coloured drive has been transformed into a well defined colour enhanced spectacle. Very pleased with the results. I tried it on some grey granite planks, but it had no effect whatsoever so I'll be using another product.

By Robert Morris

I chose Smartseal mainly because they came top of all the reviews for patio sealants. Great choice of products and advised me on the correct sealant for my Indian sandstone multi coloured slabs . Went for the colour enhancer sealer to highlight the different colours and patterns. Absolutely delighted with the end finish, would highly recommend these guys,they know everything about surface finishes.

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Natural Stone Sealer - COLOUR ENHANCER

(Sample, 1L,5L,25L Sizes) High Quality, Durable Sealer for Slate, Sandstone, & Limestone. Not suitable for Kandla Grey Sandstone. Impregnating Sealer for Natural Stone, 5 - 10 m²/litre average coverage on first coat; up to 5 years protection

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Product Description

Natural Stone Sealer with Colour Enhancing Effect

Protective impregnating sealer to enhance the colour of Natural Stone

Smartseal Indian Sandstone Sealer and Natural Stone Sealer is a high quality, clear, solvent free acrylic impregnating coating system. Application of the sealer will alter the chemical structure of the porous sandstone or natural stone providing a excellent water repellent and stain resistant surface.

The sealer, once applied, will give a damp or slightly wet look finish on natural stone and enhance the original colouring of the surface.

  • 1 x 25 litre will treat up to 150 m
  • Resistant to algae, lichen and staining
  • Will leave surface darker or 'damp' looking dependent on porosity of surface
  • Average coverage 5 - 10 m per litre first coat and 10 - 20 m per litre second coat, dependent on porosity and finish of surface
  • Application by roller or sprayer
  • Touch dry 2 - 3 hours
  • Fully waterproof in 24 hours
  • Lifespan of up to 5 years can be expected
  • Suitable for Sandstone** (see exceptions below), Limestone, Terracotta, Slate, Marble and Granite
  • Can be used externally or internally

**Exceptions to Sandstone suitability: 

Please note this product is not suitable for Kandla Grey (mid and light grey) sandstone


Technical

PREPARATION: Prior to application of sandstone sealer or natural stone sealer ensure surfaces to be sealed are clean, dry and free from contamination. If algae or stains are present pre-treat prior to cleaning with an appropriate cleaning product.

**If applied to a surface where a "sweep-in" pointing compound has been used within the last 6 months, the natural stone must be fully cleaned with Smartseal Residue Remover prior to sealant application.**

APPLICATION: A suitable pressure sprayer or roller is recommended taking care to avoid any pooling. Application on all substrates should be to full saturation and on vertical surfaces commence at the bottom and work upwards.

Remove any excess after approx 30 - 40 minutes.

  • For best results, apply one coat to saturation, and once touch dry (normally around 45 min), apply a second coat "wet on wet" (which means before the 1st coat has totally dried) 
  • Do not apply in damp conditions
  • Application temperature range: 15 to 23C 
  • Shake container well before use.

All equipment should be cleaned with water immediately after use.

SHELF LIFE: Store away from direct sunlight and sources of heat. Protect from frost.
12 months (in original sealed container).

Product FAQs

Q: Good afternoon, I have indian rainbow sandstone slabs laid about 3 years ago. They are now black due to the weather and leaves that fell on it during the autumn and winter. I also have another patio and path and these are natural indian kota blue. I would like to clean and seal them and wondered what you recommended please? Thank you, Judith

Judith jones

A: We would recommend cleaning with our Xtreme Patio Cleaner and then applying a natural stone sealer- 'Dry' or 'Colour' Enhancer finish (samples available)

Response from Nigel

Q: Hi, I applied your Indian coloured sandstone enhancer sealer 12 months ago to my new patio. I recently cleaned it, but the natural colours are barely visible. Is it worth applying another coat of the enhancer now to bring the colours back?

Rob

A: This sealer is an 'impregnator' so most of the sealer will have soaked into the stone. A single coat just to restore the colour enhancement might be beneficial. Hopefully this 'top up coat' will restore the colour for a significantly longer period. Hope that helps.

Response from George

Q: Hi, I have a Kandla Grey sandstone paving and previously used the sandstone colour enhancer sealant in 2020 which worked really well. I note your website recommends that this product is not used for Kandla Grey sandstone - Im looking to do a clean of the stone and reseal and planned to purchase the same sealant. Could you please advise what is the reason to not to use this product and what alternative you would recommend.? Thanks in advance

David Conboy

A: Due to the mineral composition of Kandla Grey Sandstone, when a sealer is applied that contains polymers that 'enhance' the colour or provides a wet look finish, the appearance of the sandstone can be patchy. This is why only the 'dry finish' sealer is recommended. If the colour enhancer worked well for you before then we would suggest using that again. Hope that helps.

Response from Alex
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