Granite is an excellent flooring material for high-traffic areas because of its hardness and abrasion resistance. A polished surface can become slippery when wet, so a granite floor design for entrances, stairs or outdoor zones often uses honed, flamed or textured finishes. Sealing depends on the stone’s porosity rather than being universally required. Maintain floors by removing grit regularly and washing with a neutral stone cleaner.
High-Traffic Stone Flooring
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Finish Selection & Floor Safety
Engineered for Busy Interior and Exterior Areas
A honed Black Galaxy floor provides more restrained reflection than polished granite while retaining the stone's copper-gold mineral sparkle. The 60 × 60 × 2 cm format suits larger floor grids, but the substrate must support the tile weight and remain flat enough for consistent joints. Entrances, kitchens and commercial areas also benefit from honed or textured finishes where slip control matters.
High-Traffic Stone
Black Galaxy Granite Floor Material and Finish
Black Galaxy Granite flooring uses naturally hard stone whose honed deep-black surface is animated by copper-gold mineral sparkles distributed through the material. The honed finish reduces glare compared with polished granite while retaining the characteristic Galaxy Black appearance, making it particularly appropriate where a quieter architectural floor is preferred. In residential settings it can create durable flooring for entrances, kitchens or living areas, while its hardness and abrasion resistance also make it suitable for more demanding commercial interiors where frequent foot traffic requires a substantial natural-stone surface.
Format, Grip & Layout
Honed Granite Flooring for Busy Interior Areas
A 60 × 60 × 2 cm Black Galaxy flooring tile weighs 20.4 kg, so large-format installations place meaningful dead load on the substrate before furniture or occupants are considered. The base must be flat and strong enough for the heavy panels, while grout width and alignment should be planned consistently across the larger module; increasing tile size further reduces joint frequency but raises handling, substrate and lippage-control demands.
Black Granite Floor Finish Selection
The honed Black Galaxy surface provides better slip control than a high polish, while flamed or stronger textures can suit entrances, stairs and exposed wet areas.
Commercial Granite Flooring Durability
Honed Black Galaxy suits high-traffic areas because its dense surface resists abrasion while regular grit removal limits long-term surface wear.
Outdoor Granite Floor Slab Applications
Exterior Black Galaxy flooring should use a suitably textured finish, correctly prepared substrate and drainage rather than the polished surface normally used indoors.
Product Overview
Natural Black Granite Floor Tile Details
This flooring uses honed Galaxy Black Granite with deep black colouring and copper-gold sparkles. Each 60 × 60 × 2 cm tile weighs 20.4 kg and is suitable for high-traffic flooring; sealing depends on porosity, while the substrate must be rigid, level and appropriate for heavy natural stone.
| Compressive Strength | Approx. 234.61 MPa compressive strength for Black Galaxy granite |
|---|---|
| Flexural Strength | Approx. 14.9 MPa flexural strength to ASTM C880 for Black Galaxy granite |
| Water Absorption | Maximum 0.40% water absorption by weight when tested in accordance with ASTM C97/C97M |
| Shade Variation Rating | V2 moderate natural shade variation, requiring pre-installation blending across the complete floor area |
| Recommended Joint Width | 3 mm nominal joint width for calibrated interior granite tiles, adjusted where tile tolerances require |
| Substrate Flatness Tolerance | Maximum 3 mm substrate deviation beneath a 2 m straightedge before granite installation |
| Adhesive Coverage | Minimum 95% adhesive contact beneath each granite tile, with 100% coverage at edges and corners |
| Calibration Tolerance | Calibrated tile-thickness tolerance of ±1 mm and finished face-dimension tolerance of approximately ±1.5 mm |
| Edge Rectification | Factory-rectified tile edges with approximately ±1 mm face-size tolerance |
| Movement Joint Spacing | Provide movement joints at maximum 4.5 m intervals internally and at room perimeters, structural joints, thresholds and changes of substrate |
Maintenance
Caring for Honed Granite Floor Surfaces
Vacuum or sweep away sand and grit before washing the honed surface with a pH-neutral cleaner. Sealing depends on the granite’s porosity and expected staining, while polished granite requires additional wet-area caution because surface finish—not simply stone hardness—affects traction.
Floor Performance
Why Choose Galaxy Black Granite Flooring
Galaxy Black granite flooring offers four technical advantages: high hardness supports heavy foot traffic, strong abrasion resistance helps retain the surface under repeated use, honed finishing provides more practical traction than a high polish, and the dense dark stone creates a consistent architectural floor with distinctive copper-gold mineral sparkle. Sealing requirements depend on the actual stone’s porosity.
- High Traffic Strength
Black Galaxy granite combines hardness and abrasion resistance for floors exposed to frequent residential or commercial foot traffic.
- Abrasion Resistant Surface
Black Galaxy granite withstands repeated abrasive foot traffic well, making it suitable for demanding interior flooring areas.
- Multiple Finish Choices
Black Galaxy granite can be supplied in honed, polished, flamed or other textured finishes to suit different flooring conditions.
- Indoor Outdoor Potential
Black Galaxy granite can serve interior high-traffic floors or exterior zones when the finish and installation are selected for the environment.
Project Flooring
Custom Granite Floor Slab Options
Custom Black Galaxy granite flooring can be supplied as modular tiles or larger slabs, with honed, flamed or other textured alternatives selected according to traffic, moisture and slip requirements. Layout, substrate preparation and grout joints should be established before cutting, while commercial orders need quantities planned by area, wastage and matching batches; these same specification principles apply when selecting other natural surfaces such as an andesite countertop.

Technical Reference
Black Galaxy Granite Flooring Specifications
Check the flooring specifications for intended traffic class, substrate preparation and slip-control requirements before selecting the installation area. The sealing field should also be read together with the actual stone and exposure conditions so maintenance is based on the finished project rather than a generic schedule.
Product details
Specifications, care, delivery and FAQ
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Cleaning: Vacuum grit with a soft-floor attachment, damp-mop using diluted pH-neutral stone cleaner, change water frequently, rinse residue and dry polished areas, spot-treat oils promptly, avoid vinegar acidic cleaners abrasive pads excessive detergent and waxy coatings
Daily Care: Vacuum abrasive grit with a soft-floor head, wipe spills promptly, damp-mop with diluted pH-neutral stone cleaner, change dirty water frequently, dry polished areas and use entrance mats, avoid acids abrasive pads excess detergent and waxy films
- Avoid acidic cleaners
- avoid abrasive grit remaining underfoot
- avoid dragging furniture without pads
- avoid excessive detergent or wax buildup
- avoid leaving wet areas without slip control
Maintenance: Vacuum grit with a soft-floor attachment, damp-mop with pH-neutral stone cleaner, change dirty water frequently, maintain entrance mats and furniture pads, inspect grout and lippage, reassess sealing where liquids darken the granite
Handling: Protect installed flooring with clean rigid sheets before moving equipment, lift rather than drag furniture, use wide non-marking dollies, keep grit beneath protection, distribute heavy loads, never turn loaded wheels directly on exposed polished stone
Can this honed Black Galaxy granite flooring be installed over underfloor heating without creating thermal-stress cracking, adhesive failure or uneven heat transfer through the stone?
Honed Black Galaxy Granite is generally compatible with underfloor heating when installed over a stable, dry screed using flexible natural-stone adhesive, full bedding and properly located movement joints. The 60 × 60 cm tiles must have no adhesive voids that create uneven heating or stress. Allow the assembly to cure fully, then commission the system gradually rather than applying maximum heat immediately. Confirm moisture content, operating-temperature limits and compatibility between the heating supplier, membrane, adhesive, grout and stone before installation.
Which grout colour will make joints least visible between dark granite floor tiles without creating an artificial solid-black appearance?
A deep charcoal or soft graphite grout will make joints discreet without producing an unnatural uninterrupted black surface. Select the shade from the lighter mineral flecks in the granite, prepare a sample panel and allow the grout to cure fully before approval because wet grout appears considerably darker.
Does honed Black Galaxy granite provide sufficient slip resistance for a busy entrance when shoes or rainwater make the floor wet?
Honed granite is less reflective than polished stone, but its wet slip resistance must be established by a test result for the exact finish rather than appearance. A busy entrance may require a more textured finish, recessed absorbent matting and frequent water removal; obtain the applicable wet dynamic coefficient or local slip-classification documentation.
What entrance matting, cleaning frequency and maintenance system will prevent sand and abrasive grit from scratching Black Galaxy Granite Flooring in high-traffic areas?
Use a three-stage entrance system consisting of an exterior scraper mat, an absorbent intermediate mat and a fine dust-control mat extending several footsteps inside. Vacuum or dust-mop high-traffic areas at least daily—and more frequently in sandy UAE conditions—then damp-clean with a pH-neutral stone cleaner using clean microfiber pads; maintain intact grout, place protective pads beneath furniture and avoid grinding machines or dirty mop water that can redistribute abrasive grit.
Should these granite floor tiles be sealed before grouting to limit grout haze and pigment absorption, or only after the grout has cured?
If the granite or grout may absorb pigment, apply a compatible pre-grout impregnator to clean tile faces and edges after testing, then grout and remove haze promptly. Once the grout has cured fully, clean and assess the completed installation before applying any final treatment; dense polished granite may not require sealing, so base the decision on absorption testing.
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