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Sandstone/Natural Stone Sealer 'COLOUR-ENHANCED' Finish

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StarStarStarStarStar 48 Reviews|(5/5)
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Customer Reviews

Great product, enhanced the colour of the paving slabs immensely. Expensive, but you get what you pay for.

By Jenny Maybridge-Edwards

spot on as usual an amazing product 4 yr i ve brought this sealant

By Samuel Brannon

Excellent product, really enhances the colour of sandstone. Easy to apply. Just hope next year the patio is not as green as it was this year.

By Sarah Green

Excellent product. Used it on our porch and cloakroom floor. Followed the instructions and it produced the exact look we required. The Enhanced colour really brings out the best of the colours in the Indian stone.

By Rick Parker From Gilling, North Yorkshire

Easy to apply and see where the sealer is on the surface. Various rates of absorption due to variable porosity of paving. After second coat drying time some product left on the surface which I removed. However the next day I could see some white patches where I had failed to remove the surplus product,not sure what to do as itís now dry and doesnít wipe off,just hope it fades over the coming weeks. To early to know if product is as effective as I hope.

By Anthony Baxter From Canterbury

I have just had a new natural Indian sandstone patio installed.I needed to find a product that would not only seal the stone against spills and grass stains etc but also enhance the look of the stone.After viewing the Smart-seal videos online i knew I'd found the perfect product.Fast delivery and easy to apply and makes the patio look great. I would highly recommend this product,its not the cheapest around but as always you get what you pay for!


After searching the internet for natural Indian sandstone sealers I decided to choose SmartSeal for my newly laid patio. The service I received was excellent, When ordering I was given advice on how much I would need, how to apply and the use of a residue remover because of the pointing compound I used. I used the natural colour enhancer sealer and I am really pleased with the finished result. Thank you all for your helpful,efficient and friendly service.

By Chris Thompson From Lincoln

Ordered a sample before buying, was able to check the difference between this and the invisible dry option. This brought out the colour of the sandstone but without making it too "blingy". Easy order process and very prompt delivery, easily accessible telephone advice also helps.

By Cherryll West

After reading reviews bought colour enhanced sealer. Followed the instructions Power cleaned patio, waited for it to dry, applied enhance sealer using a garden sprayer and within an hour my Indian Stone patio looked like a newly laid one.

By Abdul Raheman Mohidin

This is just perfect for our patio. It makes it look like new. Also delivery time was excellent.

By Paddy Chapman

Bought a sample of this first before purchasing the full amount required, along with a sample of the standard Ultimate Enhancer as I wanted to see the difference in the "flesh" so to speak. I found that the standard one was not dark enough on the lighter coloured sandstone such as light greys so opted for the Ultimate Enhancer. I used a small mini roller to apply it, waiting about 20-30 mins before topping up with the 2nd coat. Personally I think the standard enhancer is ok colour wise on darker colours but when you have a mixture of colours such as Indian Sandstone then the Ultimate Enhancer pulls the colours out better. The overall finish is a mild sheen, not a completely dry look but also not too shiny. I did find though that with some colours on Indian Sandstone the final finish can vary slightly, some dryer looking than others. I guess this is all down to how porus each stone is and how the product either soaks straight in or slightly sits on top. Only 3 stars as I found the colour a bit weak and also the price a little high compared to it's competition.

By Kerry Hammond

Easy to apply. Time will tell if it stands up to sea salt air.

By Peter Matthews

This sealer is very easy to use and appears to be working so far.Only applied it recently though.

By Eileen Harper

Did my sandstone patios with the colour enhanced sealer did what it says on the tin recommend this product if you want to enhance your patios or drives.

By John Forsythe From Sheldon Birmingham

Brilliant product makes the indian stone stand out

By Matthew Rotherham

I've yet to see how effective it is but it is very easy to apply and subtlety enhances the colour.

By Sarah Hughes

A great product and very effective in enhancing my Indian Sandstone patio. 2 coats easily applied by roller. Colours much improved and water repellent characteristics are working well so all in all "it did what it said on the tin!" looking in to the next step now to see if it is possible to achieve a gloss finish.

By Michael Killett From Marston Green, Birmingham

This is a very good product , after jet washing Indian Sandstone patio applied colour enhancing sealer with a roller. Next winter will be the test to see if it slows or stops growth of moss and Algae. I am sure it will be easier to clean in the future. Smartseal is not a cheap product but I think will be worth it.

By Graham From St. Neots, Cambs

2 nd time I brought this product quiet simple BRILLIANT bring my indian sandstone up fantastic more colours than I ever realised & protects it from the elements where we live is very exposed

By Samuel From stoke on trent

2 nd time I brought this product quiet simple BRILLIANT bring my indian sandstone up fantastic more colours than I ever realised & protects it from the elements where we live is very exposed

By Samuel From stoke on trent

Excellent product

By Andrew bell From belly558@hotmail.com

I jet washed & used bleach to clean my Indian sandstone patio which was laid over 5 years ago and had turned grey with lichen in places. Once it dried out in the sunshine for 3 days I applied the colour enhancing sealer which was very easy to apply & dried quickly. The effect was excellent and we now have the original stone colour back with water staying on the surface and not soaking in as previously. It takes longer to dry off but it's worth it. Good value with high coverage an I'll be using the remaining sealant from the 5 litres purchased on the pathway around my house. Interested in how it will weather and when/ if it will need renewing after a couple of winters.

By David From Southwell, Notts.

Very pleased with this product.i have approx 10sq Metres of pink indian sandstone which I recently pressure washed (1st time since it was put down several yrs ago)wanting to keep the lovely colour and hopefully protecting it from future algae,lichen etc purchased 2 litres of stone sealer,which I applied with a sprayer,although at time thought I had sprayed on too finely(used all 2 litres)on a warm dry day,when it rained it was great to see droplets all over patio without any water seeping into stone also looks very natural still without no shiny wet look finish when dry.

By Jackie West From Somerset

A good product that enhances the colour of the stones but more important protects them from stains and the elements. Very easy to apply

By Anthony Bird

Bought sandstone colour enhancer for our new patio....amazing results. Beyond happy. Then weeks later we had builders in who somehow got render powder all over it, thought it would just wash off but didn't, left it chalky again. I emailed smart seal who personally phoned me at home to try and help. I was gobsmacked, just expected an email at best. This is an amazing company with great customer service. My patio is now back to amazing again. Just about to put an order in for some more, need one more litre!! THANKYOU!!

By Victoria sykes From Mirfield

Really impressed left review a month or so to see how well it worked but this has proved excellent. Patio had been down about 4 months and colours appeared to dissapear this has restored it to the wet look for dry days and great water seal to protect it. Also excellent coverage on fossil sandstone.

By mark From tring

Applied this product to our natural slate patio slabs and we are very pleased with the appearance. We have some roller marks, probably due to the method of application, so will need to go over two or three slabs again when the weather improves. Have used just over half of the container on an area of 7.2 x 6.6 metres. Easy to apply (used a 100mm roller). The liquid is thinner than anticipated, so it's well worth decanting this somewhere where any spillage won't matter. Our garden is quite exposed to heavy rain, high winds and salt storms in the winter, so we are looking forward to see how this performs over the next year or so. Will be buying more to do the drive and house surround shortly.

By Steve Proud From Swansea

At Ultimate Cleaning we always use Smart Seal's "Sandstone/Natural Stone ULTRA Sealer 'COLOUR-ENHANCED' Finish". It is easy for us to use but above all - all the customers that we have applied this product too - their patio's, the results have been AMAZING

By David Leopold From Ultimate Cleaning Solutions . Gloucestershire

Very pleased with this product so far. Has really brought out the colours in our sandstone patio. Very easy to apply and to clean tools. I brushed the sealant over the joints then rollered the surface. It seemed to work well. The key test now is "how many years until refresh needed?"

By Heather Wallace From Cardiff

I have a natural sandstone patio that I used to have to pressure wash and clean 2-3 times a year to rid it of dirt / grime / algae / lichen. Used the colour-enhanced natural stone sealer. It was easy to apply by pressure sprayer - the most difficult bit by far was getting the patio perfectly clean before application. The colours are more vivid and overall the patio is slightly darker than it was before- a matter of opinion but I think the sealer has improved the patio's appearance. Product isn't cheap so would recommend trying a sample pot on an inconspicuous area first. The sealer has been down a couple of months now which would have been enough for the algae to start to return, but it's still perfectly clean. The best thing is that it's going to save me a lot of work longer term keeping the patio clean.

By Paul From Tonbridge

Does what it says on the tin, well worth the price

By Robert Hogg From Somerset

As other people have said, its not a cheap product , but I can assure you its the best the that I have used on Indian Sandstone. Do not be alarmed if it rains and the water sits in drops like on a polished car! , this effect soon passes and the wet look appears within a few days Good luck.

By Maurice From Durham

Let me first compliment the company - my original order turned out not to make complete sense (unnecessary cleaner ordered), so they rang me up and we sorted it out over the phone, resulting in a cost saving. Regarding the sealer, it seems to work well, certainly enhancing the colour in a natural way (and thankfully not enhancing the residual bits of black spot that I've been unable to get rid of). Don't yet know if it lasts as long as advertised, but actually would not be hard (or particularly expensive) to recoat every 2 or 3 years.

By Nial From Royston

Having spoken with the guys at Smartseal to ensure i ordered the right product i could not be happier with the result. Indian natural stone took 2 coats and colours look great, easy to apply and coverage better than expected. Also did a quarry tile path where it worked just as well. Worth the money.

By Mike Wallis From Huntingdon

Excellent product subtly enhances surface and provides good stain resistance. Service and advice excellent would defiantly use Smartseal again.

By jeff From romford

new lease of life to my patio

By morag From shropshire

Used it on the Indian Sandstone in the lantern room. Absolutely fantastic results, colours have been enhanced and the subtle finish is superb.

By Mike Dunne From West Sussex

I used the colour enhancing product on a new patio of Indian sandstone. Applied with a large hand brush and the results looks great. Be aware though that when it rains the water sits on top of the stone and takes a long time to dry. I would recommend the product.

By Roger Payn From Whitby

I have applied the wet finish sample , looks really nice , and so easy to do, will be dealing with this company again when I order the larger container of wet finish

By Shirley Gore From Worcs

Just finished spraying limestone patio slabs with sealant / colour enhancer to-day 8/6/13 and so far it looks great,really enhanced colours of slabs, but only time will tell how good the sealant is??

By Mr. Shrubsole From Waterlooville, Hampshire

I ordered Smartseal colour enhancer for my patio of indian sandstone that I had just had re-pointed. I was given some excellent advice by the salesman, who told me to apply the sealer to an area of the patio that I could return to after 30mins and brush in any excess liquid, before going on to the next section. I used a garden sprayer first and then a clean, soft broom to finish, repeating this procedure until completed. The end result was amazing - the colours in the sandstone were brilliant, as if it had been freshly hosed down, only now it is permanent! The cost of the sealer is certainly worth it and I can highly recommend this product.

By Keith Colman From Llanelli

First time of using this product I sealed limestone patio with the seal and colour enhance all in one what a first class product . easy to apply coverage was miles better than stated on the tin , totally odourless, quick drying and brings colour up lovely . will be using this product again most definately

By andy From Pontypool

Like one of your other reviewers, I thought initially that the the product seemed expensive, but it really is very good. It is very easy to apply and it really does bring out the colours of the sandstone as well as protecting it from stains. Before applying the stone soaked up the rain, but now it stands on the surface and I am confident that it will not stain. Highly recommended. Also, the service from Smartseal was excellent with prompt delivery and very easy online ordering.

By Susan Clark From London

We have used smart seal on a number of occasions on behalf of our clients. This sealer is fantastic! It released stunning colours from within the natural stone and brought the stone back to life. Our client was over whelmed with the finishing results. Thank you for your honest and professional advice, we will continue to use you as our preferred supplier for exterior cleaning and sealing products. Tim @ Hook Cleaning Services www.hookcleaningservices.co.uk

By Hook Cleaning Services

I'd just like to say a big thank-you to the guys at Smartseal and to Nigel Blake for all his help in restoring my drive It's the first time I have used Smartseal and I was very pleased with the results I shall definitely use them again

By Richard From Telford Shropshire

We used the Smartseal product on 75 sq. meters of black limestone and the effect was excellent

By Jonathan From Rochdale

I'm pleased with the effect and waterproofing of the product. Brings out the deep colour and water just lies on top of the sandstone. The contact gave me good info and instructions on how to apply the product. Bit expensive but you get what you pay for.

By Mick Hewitt From Wickford

Very pleased with the sealant and the service. My original thinking was the stuff was very expensive but after talking to the sales guy I went for the wet look sealant for my sandstone patio. I was very nervous as he has advised the "wet look" was not shiny but more colour enhancing. It turned up on time and I applied it as instructed and I think it looks great. The colour is deeper and looks fantastic..

By peter kershaw From peter.kershaw@globalplaygolf.com
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Step-by-Step Video Guide

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.

  • One coat application to saturation (for best results, apply 2nd 'wet on wet' coat)
  • 1 x 25 litre will treat up to 150 m²
  • Resistant to algae, lichen and staining
  • Will leave surface darker or 'damp' looking dependent on porosity of surface
  • Average coverage 4 - 6m² per litre
  • 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 Limestone, Terracotta, Slate, Marble and Granite
  • Can be used externally or internally


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, the natural stone must be fully cleaned with an 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 minutes.

One application is normally required, but for best results, apply 2nd, 'wet on wet' coat within 20 minutes. Do not apply in damp conditions or at temperatures below 15°c. 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).