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Kota Stone Flooring | An Architect Explains

Kota Stone is a fine-grained variety of limestone obtained from Kota, Rajasthan, India.  It is available in attractive, earthy colours. It is non-slippery, water-resistant, non-porous, can be rough finished or polished to a high shine. However, it does not have the sophisticated appearance of Marble or Granite. It is more rustic looking. It is used both in interiors and in exteriors, commercial spaces, external staircases, pathways, corridors, driveways, and balconies etc. A very similar stone is the Shahbad stone found in North Karnataka. But Shahbad is mostly grey.
Kota stone is a natural stone that can be easily maintained
Kota stone is a natural stone that can be easily maintained and is used both indoors and outdoors

WHAT ARE THE CHARACTERISTICS OF KOTA STONE?

Composition: Kota is a very fine grained, siliceous calcium carbonate rock of sedimentary nature.
Physical properties: Kota is hard, compact, tough and homogenous natural stone. It is non-slippery.


WHAT ARE THE ADVANTAGES OF KOTA STONE FLOORING?

Beautiful: Polished Kota Stone looks beautiful because of it’s nice smoothness and shine.
Natural: Like Marble or Granite, Kota is a natural stone and is bio-degradable and a green option.
Finish: Kota stone can be finished according to requirement such as one-side honed, both-sides honed, hand cut, machine cut, polished, mirror finish and calibrated etc.
Hygienic: Kota, being non-porous and moisture resistant, is a hygienic flooring option in humid regions.
Cool: Kota reflects heat and is always cool and comfortable underfoot.
Affordable: Unlike Marble or Granite, Kota stone is very affordable. In fact it is the cheapest stone among other natural stones.
Wide range: Kota is available in beautiful colours  like black, pink, grey and beige. though the rich greenish-blue and brown colours are the most popular.
Kota stone takes a high polish
Kota stone takes a high polish

WHAT ARE THE DISADVANTAGES OF KOTA STONE FLOORING?

Flaking: The stone tends to flake over a period of time. However, periodic polishing using polishing wax can eliminate this phenomenon.
Lustreless: Kota lacks the luster of Marble or granite.
Small sized tiles: Unlike Marble and Granite, Kota is not available as large slabs, due to the brittleness of limestone. The maximum sizes are around 240 cm x 75 cm.
Many joints: Unlike Marble or Granite, Kota stone flooring does not give the appearance of a seamless flooring because Kota tiles are available only in small sized tiles. Also, there is a lot of variation in colour between tiles.
Kota stone is available in small sizes and hence a lot of joints are visible.
Kota stone is available only in small sizes and hence a lot of joints are visible.

WHERE IS KOTA STONE FLOORING BEST SUITED?

Due to it’s durability and affordability, it is the most preferred choice among natural stones in large spaces like industries and commercial buildings and homes of eco-conscious people.  It is sometimes used as a wall cladding because of its natural colouring and sheen. A very good alternative to Kota is Shahbad stone or Slate.

17 thoughts on “Kota Stone Flooring | An Architect Explains

  • October 26, 2013 at 9:45 pm
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    Sir’ i want more flooring design of kotastones pl. Send me because i m installing kota in my house.
    Hi Manish,
    I do not have flooring designs. But usually an experienced tile layer can help you in this matter.
    Admin

  • October 15, 2014 at 5:18 am
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    how many polishing need for kota flooring

    Hi Maha,
    At least 5 or 6 times to get a good shine. It also depends on the quality of the stone. Denser stones get a good shine with 4 or 5 polishes.
    Admin

  • January 30, 2015 at 9:56 pm
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    does kota stone used in external staircase at house ..?
    Hi Chavda Ashvin,
    Kota is actually one of the most preferred material in external staircases because it does not slip, is water-resistant and cheap.
    Admin

  • June 18, 2015 at 8:16 pm
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    Dear Sir,
    we have kota stone Grey color, in our office store & Canteen, Machine polished done, but mirror shining is not came, can we use WAX. which type of wax is suitable.Kindly suggest.
    Hi Prasad,
    Kota stone does not get “mirror shine” unlike marble or granite. Do not use wax as it will make it slippery and also not really improve the shine. But regular sweeping and mopping with water will gradually cause the stone to shine. Then it will have a matured, aged nice shine. But you will have to be patient.
    Admin

  • July 19, 2015 at 5:41 am
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    We are planning to change the flooring of our small bungalow on both ground floor and first floor. We like the Brown Kota stone with variations in colours.
    For interiors like living room etc is it a good choice ? we prefer natural stones rather than the vitrified tiles.
    Also which finish would be ideal ? Mirror Polished or any other for our application?
    Hi Tushar,
    Natural materials are always preferable to manufactured ones. Kota is a good choice. It has to be mirror polished and with regular care and mopping, it will take on a nice natural shine and yet will ot be as slippery as marble. But be aware that kota takes scratches easily, even moving chairs or cots around will cause scratches. So get furniture with rubber shoes.
    Admin

  • February 25, 2016 at 4:21 pm
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    What is the difference between kotta stone and sabbath stone.
    Hi Rathi,
    I think you are referring to shahbad stone, a variety of limestone from North part of Karnataka bordering Andhra Pradesh. Generally available in grey shades it is easy to work with and economical, lasts long without surface blemishes and easy to maintain. Kota is also very similar in its composition, but has a different colour, (more greenish) and takes scratches. However, regular mopping imparts a very good shine. It is also more easily available.
    Admin

  • April 9, 2016 at 1:23 pm
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    Hello sir
    We are planning to use kota glossy polish and leather polish olive green stones. After glossy polish or leather polish it will be slippery or even after polish also it will be un slippery.
    In winter stone will be more cool than marble or granite or it will be warm.
    Pl advise
    Hi Azad,
    Glossy polish will make any stone more slippery, when it is wet. Leather polish is more rough and makes it less slippery. I believe Marble is colder in winter than Kota.
    Admin

  • May 8, 2016 at 8:15 am
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    hello there sir. I appreciate this article. I’ve been recommended by my architect to go for Kota stones as a flooring option. after some research, i seem to like it. but all the granite or stone dealers are surprised when I say it’s for interiors. my contractor is unsure about its usage inside home too. id certainly need your advise as I have to decide soon. is it a good option to have Kota and it’s leather finish (bedroom only)all over the home (living, bed, kitchen)
    Hi Ram,
    Kota stone is very earthy looking and has a good sheen when polished properly. But its biggest disadvantage is that it takes scratches very easily. Even if you drag a chair, it leaves marks. So in the long run there will be scratch marks in areas of high traffic. But repeated mopping makes it shine even more. So if you are not too bothered about scratches, it is a very nice flooring option in a house. We have used it in some of our projects and it has a kind of rustic and earthy charm. Also it is much cheaper than granite or marble.
    Admin

  • June 13, 2016 at 1:49 am
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    What stone and grade is used for polishing kota? Kindly suggest the grade to use on first coat of polish and second coat of polish.
    Hi Nakul,
    Different grades are used. You will have to ask the polishing person regarding the grade and the polish that you require.
    Admin

  • June 17, 2016 at 5:26 am
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    I have recently laid about 800 rough kota stones (22″ x 22 ” on my driveway in Delhi (total area 3200 sq ft) with Udaipur Green Marble strips 4 inches wide (total 1000 Rft). I need to keep my driveway cleaned regularly. Manual cleaning with a brush takes very long. Can you suggest – but no too expensive – options?
    Hi Jack,
    You could try some high power jet water sprays (Bosch) to clean the driveway.
    Admin

  • July 3, 2016 at 8:12 am
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    Hello Sir, we used koya stone all over my house some 13 years ago. Now almost all joints have chipping. Kindly advise on how to renovate.
    Hi Maitri,
    Put an epoxy joint filler of the same colour in the joints and repolish it.
    Admin

  • August 1, 2016 at 10:50 pm
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    Hi, Wonderful article on Kota. Could you tell me what is the thickness available. Could this be directly laid on top of vitrified tiles. Don’t somehow like the feel of vitrified tiles for my new apartment.
    Thanks,
    Arun
    Hi Arun,
    Kota stone is around 20mm to 1 inch thick. It cannot be laid on vitrified tiles. It needs to be laid on a bed of cement mortar and then ground and polished.
    Admin

  • September 10, 2016 at 12:15 am
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    Sir I want to affix kota stones on roof of my DAD flat. Is this a good idea? Kindly also suggest d colour
    Hi Anil,
    Do you mean on the terrace? If so, it can get slippery and start coming off due to expansion. It is better to put terracotta tiles or just cement floor.
    Admin

  • September 13, 2016 at 6:25 am
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    Hi,
    Thanks for a nice article. We have Kota Stone flooring in our compound and the surface has small pores or pit types. Can these pits be filled during polishing? Is it possible to use pure cement in anyway to fill these small pores?
    Thanks in advance for your advice.
    Hi Prabhakar,
    It looks like lower quality kota stones since it is used in the outside. There is no point in trying to fill the pits with cement as it will look shabby and even come off. However polishing might help to smoothen it a bit. But remember it may make the kota too smooth and slippery.
    Admin

  • November 3, 2016 at 6:02 pm
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    Hi Sir,
    We are planning for kota blue (leather finish) in kitchen and verandah. Is it a good choice for kitchen ?
    Regards,
    Nethra
    Hi Nethra,
    It is a nice colour and choice. But kota is a porous stone and not really ideal in kitchens.
    Admin

  • November 21, 2016 at 10:10 am
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    It’s a very very good site, I want a suggestions form you sir, I have to lay 20000 act flooring for my factory building and confused between Kota & shabad stone my factory is in Tamilnadu & being Rajasthan is very far away logistic cost is more than THE cost of stone can I use shabad as Karnataka is nearer to me is there any problem in future with shabad stone kindly advise.
    Regards,
    Raviagarwal.
    Hi Ravi Agarwal,
    Shahbad and kota are almost similar in composition and properties – so you can opt for either one. Since shahbad is available nearby it makes sense to go for that.
    Admin

  • November 28, 2016 at 1:42 am
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    Sir, I want affix something on the roof floor. Need something which on the 1 hand easy to clean and wash and on 2nd hand does not increase the heat as it is a top floor. Kindly suggest the options. If u also can give a idea of cost then it is more helpful for me.
    Hi Sumit,
    The best option is to go for terracotta tiles as they reduce the heat and are easy to maintain. But make sure you opt for good quality ones as otherwise they may crack and cause leaks inbto the terrace slab. price depends on the quality.
    Admin

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