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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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Polished Black Basalt
- Commodity name： Polished Black Basalt
- Product description
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Products Description
If you're looking for a clean, modern stone with a deep black tone, polished black basalt might be just what you need. Polished basalt is a dense, fine-grained natural stone with a sleek, modern finish.
This stone is made from natural basalt-a dense volcanic rock known for its strength and smooth texture. After polishing, it takes on a sleek, almost mirror-like finish, perfect for projects that need a bold yet elegant look.
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. Modern appearance – the polished surface gives a sharp, clean look
2. Strong and dense – ideal for both indoor and outdoor use
3. Consistent color – less variation than many other natural stones
4. Easy to maintain – smooth surface resists dirt and stains
5. Versatile – works well in minimalist, industrial, or luxury spaces
Application
- Interior flooring or wall panels
- Kitchen countertops or tabletops
- Building facades and feature walls
- Commercial lobbies or public areas
- Custom-cut-to-size architectural projects
Installation Guide for Polished Black Basalt
1. Site Preparation
Start by making sure the surface is clean, dry, and level. Remove any dust, loose soil, or old adhesive. For outdoor projects, a solid concrete base is ideal.
If you're working indoors, make sure the subfloor is stable and even.
2. Dry Laying
Before applying adhesive, lay out the basalt pieces without fixing them. This helps you plan the layout, match color tones, and reduce cutting later.
Basalt is a natural stone, so there may be slight variations in tone. It's a good idea to mix tiles from different crates for a balanced look.
3. Adhesive Application
Use a high-quality, flexible thin-set adhesive or stone mortar that's suitable for natural stone.
Apply the adhesive with a notched trowel on both the subfloor and the back of the stone (back-buttering). This improves bonding and reduces the chance of hollow spots.
4. Laying the Stone
Place each tile firmly into the adhesive bed. Tap gently with a rubber mallet to ensure full contact and alignment.
Leave 2–5 mm joints between tiles. This allows for thermal expansion and grouting.
Use spacers if needed to maintain even gaps.
5. Grouting
Wait 24 hours before grouting. Choose a neutral or matching grout color.
Apply grout with a rubber float and remove excess grout immediately with a damp sponge.
Avoid acidic cleaners, as they can damage basalt's surface.
6. Sealing
Basalt is naturally porous. After installation and drying, seal the surface with a penetrating stone sealer. This helps protect against stains, water, and fading.
For polished basalt, a color-enhancing sealer may be used to deepen the black tone.
7. Final Cleaning & Curing
Give the stone a gentle clean using pH-neutral stone cleaner. Let everything cure for 2–3 days before heavy use or placing furniture.
Testing data
Water Absorption
0.18%
Density
2600-2800 kg/cbm
Flexural strength
17-30 MPa
Compressive strength
110-226 MPa
Tips
Polished surfaces can be slippery when wet, so it's better used in dry areas or sealed with anti-slip coatings if needed. Basalt is also naturally porous, so sealing it helps maintain the deep black color over time.
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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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