Black Granite Stair Tread
Granite Stair Treads
granite
Black Granite Stair Tread
Premium black granite treads for high-end commercial stairs.
Deep black granite stair treads with a flamed or brushed non-slip surface. Each tread is precision-cut with consistent dimensions for seamless installation. Ideal for corporate headquarters, luxury retail, and civic buildings.
Origin
Hamedan, Alvand Massif
Finish
flamed · brushed · honed
Mohs
7/10
Density
3000 kg/m³
Compressive Strength
245 MPa
Water Absorption
0.06%
Available Dimensions
- 120×33 cm
- 150×35 cm
- 180×40 cm
- 200×45 cm
Available Thicknesses
3 cm
4 cm
5 cm
8 cm
10 cm
Surface Finishes
flamed
brushed
honed
Applications
staircase
paving
Technical Specifications
| Density | 3,000 kg/m³ |
|---|---|
| Water Absorption | 0.06 % |
| Compressive Strength | 245 MPa |
| Flexural Strength | 24.8 MPa |
| Mohs Hardness | 7 |
| Standard Block Size | 150×40×10 cm |
| Max Thickness | 10 cm |