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About usXiamen YongFeng Stone Co., Ltd. is a professional manufacturer of stone products in South East China. It has been dedicating itself to stone industry since 1996. With long-term concentrating on granite products in Fujian, the world biggest stone products producing area, YongFeng Stone has become an influential Chinese provider due to its outstanding reputation of reliable quality of its products.
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ProductsWe manufacture a wide range of stone products, including tiles, slabs, stairs, countertops, vanities, fireplaces, paving stones, curbstones, tombstones, mosaics, sculptures, pebbles, and medallions. Our products are suitable for interior and exterior applications, public spaces, and landscape projects.
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Black Basalt Slab
- Commodity name： Black Basalt Slab
- Product description
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Products Description
Black basalt slabs are a solid choice if you're looking for something strong, simple, and modern.
Basalt is a volcanic stone-formed from rapidly cooled lava-which makes it naturally dense and hard-wearing. These slabs come in a deep grey to true black tone with a fine, even texture. They look clean and minimalist, whether used indoors or outside.
Products Specification
Category
Details
Material
Natural basalt (volcanic stone)
Color
Black
Finish
Polished
Size Options
600 × 400 mm
600 × 600 mm
900 × 600 mm
Custom sizes availablePacking
Wooden crates with foam or plastic separation
Why Choose Black Basalt?
1. Durability – High compressive strength and low water absorption
2. Consistent Color – Dark, uniform tone with minimal variation
3. Slip Resistance – Especially with flamed or bush-hammered surfaces
4. Low Maintenance – Easy to clean, less prone to staining when sealed
5. Design Flexibility – Pairs well with metal, wood, or lighter stones
Application
- Outdoor patios and walkways
- Pool surrounds and terraces
- Modern architecture facades
- Indoor flooring in commercial or high-traffic spaces
- Stair treads, countertops, or wall caps
How to Install Black Basalt Slabs on a Wall
1. Prepare the Surface
Make sure the wall is:
Flat and clean
Dry and free from dust, oil, or loose material
Strong enough to hold the weight of stone (especially for large slabs)
For exterior walls, check the structure for load-bearing capacity.
2. Choose the Right Adhesive or Anchoring Method
Depending on the slab size and installation height:
Use stone tile adhesive (cement-based or epoxy) for small to medium slabs
For heavy or high wall installations, add mechanical anchors for extra support
For outdoor or high-moisture areas, use waterproof, weather-resistant adhesive
3. Back-Butter the Slabs
Apply adhesive not just to the wall, but also to the back of each slab. This ensures full contact and reduces the risk of hollow spots or detachment.
4. Position and Level
Start from the bottom row and work upward
Use spacers or temporary supports to keep the slabs aligned
Always check for level and plumb
For seamless finishes, keep joint gaps tight (or customize to your design)
5. Grout and Seal
After the adhesive sets, fill joints with matching grout if needed
Once fully dry (usually after 24–48 hours), apply stone sealer to protect from water, stains, and UV
6. Clean Up
Wipe off any remaining grout or adhesive from the surface. Use a soft cloth or stone-safe cleaner-avoid harsh chemicals.
Testing data
Water Absorption
0.18%
Density
2600-2800 kg/cbm
Flexural strength
17-30 MPa
Compressive strength
110-226 MPa
Tips
Basalt is naturally strong, but like most stones, sealing it helps protect against moisture and keeps the color richer over time-especially in outdoor or wet areas.
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Address: No. 340, S. Tongji Rd, Xiamen, China
Phone/Whatsapp: +86 15980865070
E-mail: Libiaofeng234@163.com
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