Thermal-Top Steps & Treads
Starlight Black Granite
Starlight Black Granite
Treads
Kafka’s Starlight Black Granite Thermal-Top Treads are sawn to height, with a thermal-top finish providing a non-skid surface and enhancing the natural stone character.
Available in four finishes.
- Appropriate for: Residential Use
- Appropriate for: Commercial Use
- Not appropriate for: Interior Use
- Appropriate for: Exterior Use
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SPECIFICATIONS
| Length | Up to 48″ Sawn |
|---|---|
| Depth/Run | Up to 24″ Sawn |
| Thickness | 2¼” Sawn |
| Finish | Sawn, Thermal, Bush Hammer, Honed, Rockfaced Edges |
| Content | Granite |
| Origin | North America |
ASTM C-97 – Absorption u0026 Bulk Specific Gravity
| Water Absorption: | .06% |
|---|---|
| Bulk Specific Gravity: | 2.885 |
ASTM C-170 – Compressive Strength
| Parallel to Rift, Dry: | 22,450 psi |
|---|---|
| Parallel to Rift, Wet: | 20,390 psi |
| Perpendicular to Rift, Dry: | 24,000 psi |
| Perpendicular to Rift, Wet: | 15,860 psi |
ASTM C-99 – Modulus Of Rupture
| Parallel to Rift, Dry: | 2,380 psi |
|---|---|
| Parallel to Rift, Wet: | 2,570 psi |
| Perpendicular to Rift, Dry: | 2,280 psi |
| Perpendicular to Rift, Wet: | 2,110 psi |
ASTM C-880 – Flexural Strength
| Parallel to Rift, Dry: | 2,060 psi |
|---|---|
| Parallel to Rift, Wet: | 2,280 psi |
| Perpendicular to Rift, Dry: | 1,990 psi |
| Perpendicular to Rift, Wet: | 1,940 psi |
BETTER TOGETHER
Another advantage of working with Kafka is the ability to source your entire project from complementary categories of our natural stone products. Kafka’s natural stone pathway materials pair perfectly with many of our natural stone hardscapes.
Starlight Black Granite
Treads
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Starlight Black Granite
Sawn Cut Drywall
Starlight Black Granite
Caps & Coping
Starlight Black Granite
Thermal-Top Steps
Starlight Black Granite
Irregular Thermal Flagstone
Starlight Black Granite
Pattern Thermal Flagstone
