Grouting natural stone so well, it is like magic
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Our natural stone silicones stand out because:
- Do not cause marginal staining
- Excellent workability
- High colour and surface variety
- Tested for use in the food-related sector
- Externally tested natural stone compatibility (ISO 16938-1)
OTTOSEAL® S 70 – Our magic premium product for more than 30 years
OTTOSEAL® S 80 – The low-odour alternative now even better
Which natural stone silicone is the right one for my application?
Professional tip: Grouting natural stone
As a professional natural stone processor who does not want to and must not compromise in terms of quality, we show you step by step in the OTTO professional tip how to grout natural stone perfectly with OTTOSEAL® S 80 .
View the complete instructions
Our range of natural stone silicones
In our natural stone range you will find the right product for every application. Furthermore, we offer reliable professional accessories as well as additional products.
Our range of natural stone silicones
Our sealant product range has high-quality natural stone silicones, which have a fungicidal effect, very good weathering, ageing and UV-resistance, as well as high resistance to notches, tension and tearing and are low-odour and easy to work with.
Professional accessories for perfect application
Professionals also need professional accessories for a perfect application. At OTTO you will not only find the right products for all applications, but we also always have the matching accessories ready for you.
The OTTO processor tip
For easy application and a perfect joint, we recommend OTTO Marble Silicone Smoothing Agent, which is specially formulated for sensitive marble and natural stone types.
Perfectly specialised natural stone adhesives
Our OTTOCOLL® adhesives include some products that are compatible with natural stone and are therefore suitable for bonding natural stone. Because only by choosing the right product you can avoid staining natural stone and achieve a high-quality result in the long term.
OTTOFLEX® system compound sealing - The reliable sealing for professionals
All OTTOFLEX® systems are securely bonded, DIN-compliant, quality products "made in Germany" and are perfectly suited for bonded waterproofing in damp and wet rooms under ceramic coverings and with natural stone.
Perfectly specialised additional products
Wide-ranging applications with natural stone
Countertops and worktops made of natural stone
Countertops made of natural stone (e.g. granite) or marble are very trendy, visually attractive and high quality. To achieve a perfect result, OTTO also offers the optimal adhesives and sealants here for bonding natural stone worktops to metal or insulating elements and then sealing the joints.
Expansion joints in façades & floors
OTTO sealants are generally used for virtually all seals of expansion joints in façades and floors made of natural stone and marble
Bonding steps made of natural stone
Bonding steps made of natural stone or marble to substructures made of, for example, concrete or metal offers a secure solution.
The OTTO professional tip
With OTTO sealants specially developed for natural stone, there is no risk of marginal staining. OTTO assumes the guarantee for this. In addition, the natural stone compatibility has been proven by a renowned testing institute according to ISO 16938-1. More security with OTTO.
Do you have a question in the “natural stone - marble" area?
Our product manager, Monika Obermayer, will be happy to receive your request.