Frequently Asked Questions

    We will try to make it easier for you to find the best answers.


    How do I clean natural stone tiles in the house?.
    Natural stone tiles are easy to care for and can be vacuumed or wiped with clear water as standard. Should stubborn stains or discoloration occur, it is usually sufficient, e.g. cleaning with wiping care and then the use of the diluted natural stone basic cleaner.
    For cleaning agents you should always use cleaners that are suitable for natural stone. Companies offer a suitable stain remover for almost every type of stain (e.g. for lime deposits, rust stains, cement veils and more) that solves stains and problems..
    How do I clean the natural stone terrace?
    Inside and outside applies: Optimal additional protection through impregnation, as liquids are prevented from being drawn into the stone. For everyday care, sweeping with soft brooms, clear water is usually sufficient, and for special care occasionally a wipe care matched to natural stone. Finished! It is recommended to refrain from strongly abrasive or acidic cleaners and the high-pressure cleaner.
    How do I clean Natural Stone Tiles?
    Sweeping or damp water is usually sufficient. Due to the high resistance, vinegar cleaners can also be used without hesitation.
    How do I clean wall bricks?
    What applies to tiles made of natural stone works equally well for wall bricks: wipe straps or panels with a mildly alkaline cleaner and do not use acidic cleaners. Better to avoid: high pressure and steam cleaners as well as steel brushes. A feather duster is sufficient to remove dust and fluff from the facing brick.
    What does impregnation bring?
    Impregnation creates extra protection against liquids.
    The agent forms invisible protection that does not change the color and appearance of the stone.Thanks to the so-called “nano effect”, oils, greases, and other pearls run off the surface and can simply be wiped away. We recommend impregnation as stain protection for all-natural stone floors, but especially for heavily used areas such as bathrooms or kitchens.
    How do I remove limescale marks on natural stone?
    Lime stains can occur especially in wet areas such as the bathroom and kitchen. But don't worry, lime can be easily dissolved!
    It is important to protect the tiles and remove the lime! Since acidic or caustic cleaners are not suitable for natural stone, you should use mildly alkaline cleaners such as the basic cleaner from Lithofin. Apply this to the stains, wait until the lime has dissolved and then remove with brushes and sponges. Prevention is also a good option here: Simply remove water after a shower with a puller so that limescale stains do not appear.
    How do I remove moss and greenery from Terrace slabs
    You can remove green coverings etc. with brushes and brooms also with the help of a diluted basic cleaner. If stains are particularly stubborn, companies offer suitable special cleaners for natural stone use the agent specified by the manufacturer or you are looking for a moss and algae remover from another manufacturer. In general, impregnation also helps here as a preventive measure to keep green coverings away.
    How do I clean joints in the house?
    Over time, joints can darken, depending on the space and stress. Today, jointing material mostly contains impregnation and therefore this effect is significantly less.


    Which installation material and accessories do I need?
    Laying tiles is easier than you think if you have the right accessories and materials. Above all, primer, joint material, natural stone adhesive and impregnating agent. Above all, make sure that the accessories are also suitable for natural stone.
    How are tiles laid in the house?
    Natural stone It is easier than you think if you follow a few important steps.In our installation tutorial, we have prepared a practical step by step instruction for you by video.How to lay natural stone tiles.
    How are tiles laid outside?
    Natural stone We recommend loose laying in a chipped bed or firm laying in single grain mortar. It is important in any case that the water is drained off properly so that the slabs are not damaged in frost in winter.
    Can I lay natural stone tiles indoors as well?
    The following applies to natural stone tiles: Please do not lay outside. Choose natural stone terrace slabs for the outdoor area. These have been tested for their frost resistance and are suitable for outdoor weather conditions. If they are properly installed, they will defy frost, ice, and snow.
    Should pores in travertine be filled indoors?
    It is recommended! If the pores are not already closed at the factory, they should be filled with grout when laying. This makes the floor area easier to care for because crumbs, dust, and dirt can no longer settle in the pores. Even with closed pores, travertine retains its special, characteristic overall effect.
    Travertine on the terrace: leave pores open or close?
    We generally recommend leaving the pores open outside, as it underlines the charming and rustic travertine character.


    What products can I buy from KARTAS MARBLE?
    An exquisite range of natural stone floors - tiles and slabs made of natural stone, but also quartz tiles with an authentic natural stone look or a fascinating wood look. Matching skirting boards or universal panels are also available. You will also find natural stone facing bricks straps for wall design.
    What is a tile, what is a slab?
    Tiles are called those natural stones that are laid indoors. Slabs are natural stones for outdoors. Tiles are usually 1 or 1.5 cm thick, natural stone slabs usually 3 cm. Please note that in contrast to industrially manufactured artificial stone natural stone is a 100% natural product that is subject to slight fluctuations in both its color and dimensional accuracy is .
    What color variations are there in stone floors?
    Since natural stone is a natural product and has been created over many years and due to different environmental influences, slight fluctuations in color and structure are normal. Minor differences per batch are not a flaw, but make natural stone so unique and diverse. There are also fluctuations in stoneware, which are, however, much smaller than those of natural stone and are caused by slight differences in the products manufactured during the firing process.
    Regardless of whether you buy stoneware or natural stone from MST MARBLE, The delivery is always from the same batch to minimize color fluctuations.
    How robust are stone floors?
    Natural stone is a robust and durable flooring. However, there are differences within the natural stone types the density of the stone is crucial. Granite and quartzite are considered to be very robust, sandstone or travertine as somewhat less wear resistant. Compared to parquet, however, they are still far ahead in terms of durability. Thanks to its production process, stoneware is extremely robust and resistant.
    Is natural stone suitable for the bathroom & kitchen?
    Definitely! Splashes of water and constant humidity make parquet difficult, whereas natural stone tiles have better properties due to their hardness and structure and do not swell when wet natural stone is therefore ideal for the bathroom!
    Our tip: use natural stone to remove limescale stains, e.g. a basic cleaner. Or they prevent and remove drops and water residues with a puller, so that lime doesn't stand a chance.
    Does natural stone change over time?
    Natural stone is colorfast, does not fade and does not become darker. But don't be surprised if the joint color darkens a bit. This can happen through dust accumulation and the use of cleaning agents. Depending on the type of natural stone, slight changes in the stone may become visible over time. Minimal deposits include the character of natural slate. Weather and external influences can change the surface of the terrace tiles over the years. In general, however the natural stone changes only slightly or over a long period of time.
    Are stone floors suitable for pets?
    Yes, because many of our customers tell us how comfortable their beloved four legged friends feel on natural stone. Cat or dog paws have a good grip on the non slip flooring. Impregnation makes the floor insensitive and stains can simply be wiped off.
    Can stone floors be installed in combination with underfloor heating?
    Yes, and the natural material provides the best conditions for the heat to be distributed in the room. With a top thermal conductivity of up to 3.5 W (mK), natural stone beats almost all other floor coverings.
    Can I use natural stone for the pool border or in the pool?
    In general, natural stone slabs can be used in the entire outdoor area. There are no special, rounded pool elements made of natural stone, but the slabs can be used for the entire adjacent flooring. It is important to note that not all types of natural stone are suitable for permanently wet areas. In the pool e.g. Granite or quartzite can be laid with some restrictions also travertine. Limestone, marble or sandstone, on the other hand, is better not.
    What surface treatments are there for natural stone?
    At MST MARBLE there are natural, tumbled, polished, brushed, split or flamed stones. Depending on the type of stone, structure, and use of the natural stone, the tiles are finished with a suitable surface treatment. What all surface treatments have in common they underline the character of the stone, ensure a special feel and a non slip effect.
    What does tumbled mean?
    This creates a used or antique look that goes particularly well with the Mediterranean or rustic style. Travertines with this treatment are very popular because they exude naturalness through stone structure and processing and e.g. to match a Mediterranean facility.
    Slip resistance for natural stone is there a classification?
    Natural stone for private builders rarely has classifications. Therefore, find out whether the tiles have an anti slip effect polished or polished marble tiles, for example, have less grip than tumbled travertines. At MST MARBLE, all tiles have a non slip effect and provide a secure hold even on a rain soaked terrace.
    How do you recognize high quality Natural stone tiles?
    High quality does not have to be expensive but if you are offered stone tiles at a low price, this is the first indicator that the tiles are not of the highest quality.