Thermal-Top Steps & Treads

Harvest Gold Sandstone
Treads

Kafka’s Harvest Gold 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 Quartzitic Sandstone
Origin North America
Tread Schematic

ASTM C-97 – Absorption & Bulk Specific Gravity

Water Absorption: .78%
Bulk Specific Gravity: 2.489

ASTM C-170 – Compressive Strength

Parallel to Rift, Dry: 31,890 psi
Parallel to Rift, Wet: 20,950 psi
Perpendicular to Rift, Dry: 30,860 psi
Perpendicular to Rift, Wet: 29,970 psi

ASTM C-99 – Modulus Of Rupture

Parallel to Rift, Dry: 2,000 psi
Parallel to Rift, Wet: 1,980 psi
Perpendicular to Rift, Dry: 1,910 psi
Perpendicular to Rift, Wet: 1,520 psi

ASTM C-880 – Flexural Strength

Parallel to Rift, Dry: 2,160 psi
Parallel to Rift, Wet: 1,820 psi
Perpendicular to Rift, Dry: 1,760 psi
Perpendicular to Rift, Wet: 1,690 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.

Thermal-Top Steps & Treads

Harvest Gold Sandstone
Treads

Kafka Harvest Gold Treads
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Contact us with any questions or request a sample

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