Lundhs Emerald - Façade Cladding
Verified by manufacturer 5 months ago
Natural stone for exterior surfaces.
Application
Suitable for exterior surfaces. Natural stone cladding for outdoor areas and façades.
Description
Lundhs Emeralds is from Larvikite/ Monzonite type of stone. The darkest stone in Lundhs' portfolio, it has a beautiful dark background with lustrous blue crystals. Petrographic composition include the following, Feltspar: 83.5%, Pyroxene: 3.5%, Amphibole: 4.5%, Opagues (magnetite, ilmenite): 3%, Biotite: 1.5%, Olivine: 2.5%, Apatite: 1%.
Features and benefits:
- 100% natural.
- Surface resistance to dry heat up to 300ºC.
- Ultra-high density provides a resistance to stain.
- Naturally scratch-resistant.
- UV resistant.
- Water resistant.
- Frost resistant.
- Abrasion resistant.
- Easy to maintain.
- FIRA International Limited approved and SINTEF heat test approved.
General information
Color | Blue Black |
Finish | Polished Silk Guidance for specification option: Silk / leather. Honed Flamed Waterstruck |
Material | Stone Guidance for specification option: Natural stone. |
Shape | Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | M40/10 Natural stone covering to M40/115 Natural stone covering to H51/110 Cladding H51/110 Cladding |
Specification data - Natural stone panels
Stone slabs | |
Stone type | |
Standard | To BS EN 1469. |
Name (traditional) | Larvikite. |
Colour | Dark background with blue crystals. |
Origin | Norway. |
Finish | Polished.Silk / leather.Honed.Waterjet.Flamed. |
Thickness (minimum) | 32 mm.Guidance for specification option: Polished. 22 mm.Guidance for specification option: Silk. |
Apparent density | To EN 1936, 2699 kg/m³. Guidance for specification option: Test surface: Sawn. |
Porosity | To EN 1936, 0.45%. Guidance for specification option: Test surface: Sawn. Manufacturer guidanceOpen porosity. |
Water absorption | To EN 13755, 0.16% weight. Guidance for specification option: Test surface: Sawn. |
Slip resistance | To EN 14231, 59 SRV (dry); 8 SRV (wet). Guidance for specification option: Test surface: Polished. To EN 14231, 53 SRV (dry); 11 SRV (wet). Guidance for specification option: Test surface: Honed. To EN 14231, 56 SRV (dry); 13 SRV (wet). Guidance for specification option: Test surface: Silk/Leather. |
Abrasion resistance | To EN 14157 (A), 17.5 mm. Guidance for specification option: Test surface: Sawn. Manufacturer guidanceCapon, wide wheel. |
Sound | To EN 14579, 5723 m/s. Guidance for specification option: Test surface: Sawn. Manufacturer guidanceSound velocity. |
Breaking load | To EN 13364, 4478 N. Guidance for specification option: Test surface: Sawn. Manufacturer guidanceAt dowel holes. |
Modulus rupture | To EN 14158, 5.8 J. Guidance for specification option: Test surface: Sawn. Manufacturer guidanceRupture energy. |
CompressiveStrength | To EN 1926, 174.8 MPa. Guidance for specification option: Test surface: Sawn. |
Flexural strength | To EN 12372, 12.5 MPa. Guidance for specification option: Test surface: Sawn. |
Resistance | 5 (max value). Guidance for specification option: 300ºC, wet heat. NS-EN 12721. 300ºC, dry heat. NS-EN 12722. Test surface: Polished 32 mm. Manufacturer guidanceHeat resistance. |
Standard | Durability to BS 6222-3. |
Sustainability data
Country of material origin | Norway |
Country of product manufacture | Norway |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Literature
Lundhs Real Stone magazine - stone for the home
Lundhs Real stone - Surface resistance to dry and wet heat
Natural Stone from Lundhs