SILESTONE® - quartz conglomerate
What is SILESTONE®?
SILESTONE® quartz conglomerate kitchen and bathroom worktops
Silestone is composed of natural quartz in 94%, giving it exceptional hardness and incredible resistance. It is an excellent surface for kitchen and bathroom countertops, flooring and wall cladding characterised by minimal joints. Silestone has a non-porous surface with high resistance to stains from coffee, wine, lemon juice, olive oil, vinegar, make-up fluid and other everyday products. Silestone is available in more than 90 colours, ensuring that there is a perfect colour for you. With the ability to combine 3 textures - Polished, Suede and Volcano - there are countless options. The material manufacturer offers a 25-year guarantee on Silestone kitchen worktops.
SILESTONE® colours available
SILESTONE® is available in surface finishes:
Poler
Poler - this is the original Silestone polished quartz surface. The appearance of the material will stand any test of time. With the brilliance of a surface as smooth as natural stone, polished Silestone remains popular around the world. The depth of the pure quartz surface shows the elegance and clarity of Silestone.
Suede
Suede - The stylish textured finish is available in a wide range of Silestone colours, giving the quartz surface an unusual softness to the touch. This distinctive quartz worktop texture evokes a taste of the exotic.
Volcano
Volcano - is a quartz surface texture created by Silestone in a rustic form while being a visually soft surface. Volcano is the result of the R&D department's work to find a new attractive surface for kitchens and bathrooms.
Scratch-resistant
Impact-resistant
Stain-resistant
Bacteriostatic protection
Wide range of textures
Manufactured from natural components
Wide choice of colours
Natural quartz
Stain-resistant
| Parameter | Value |
|---|---|
| Composition | Hybrid blend of minerals, quartz, pigments and HybriQ+® resins (low crystalline silica content <40%). |
| Texture / finish | Polished, matt (Suede®), other finishes depending on the collection. |
| Disc formats | Standard: 327 × 159 cm |
| Thicknesses | 12 mm, 20 mm, 30 mm (depending on colour) |
| Weight [kg/m²] | approx. 30 kg (12 mm), 50 kg (20 mm), 75 kg (30 mm) |
| Water absorption [%]. | < 0,05 |
| Density [g/cm³]. | 2,3 - 2,5 |
| Mohs hardness | 6 - 7 |
| Compressive strength [MPa]. | > 70 |
| Bending strength [MPa] | 45 - 65 |
| Operating temperature [°C] | -5 to +150 |
| Flammability class | B1 (hardly flammable) |
| Shapes | Countertops, facings, bathroom elements - cutting to design |
| Guarantee | 25 years (after online registration with Cosentino) |
| Standards, approvals, certificates | GREENGUARD, NSF, CE, ISO - compliant with European and international standards |
25-year guarantee on Silestone® surfaces
Forma System provides as much as a 25-year guarantee on Silestone® panels and worktops, covering material defects occurring at the manufacturing stage.
Warranty conditions
- The guarantee applies from the day the material is installed in your interior.
- Includes internal applications only: kitchen worktops, bathroom worktops and other finishes.
- It does not apply to mechanical damage resulting from improper use (e.g. impacts, overloading, contact with aggressive chemicals).
- To benefit from the guarantee, it is necessary to register the material within 6 months of installation. We carry out the registration process together with the customer.
Complaints and after-sales service
- In the event of a problem, please contact Forma System directly.
- The claim should include: purchase details, date of installation and photographs documenting the damage.
- Each application is verified by us and forwarded for further handling in accordance with the manufacturer's procedure.





