Thermal Flagstone

Starlight Black Granite
Irregular

Kafka’s Starlight Black Granite Irregular Thermal Flagstone has sawn heights with ½” tolerance reduces sorting and installation time. The thermal-top finish provides a non-skid surface and accentuates the natural stone character.

  • Appropriate for: Residential Use
  • Appropriate for: Commercial Use
  • Not appropriate for: Interior Use
  • Appropriate for: Exterior Use

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SPECIFICATIONS

Length 18″ – 48″ Irregular
Width 18″ – 48″ Irregular
Thickness Sawn 1¾” – 2¼” Random
Finish Thermal Top
Yield 60 – 75 sq. ft. per ton
Content Granite
Origin North America
Mosaic Cut

ASTM C-97 – Absorption & 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.

Thermal Flagstone

Starlight Black Granite
Irregular

Kafka Starlight Black Granite Irregular Thermal Flagstone
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