Stacked Stone Corner Specifications

Updated on April 10, 2024

  • A– Corner Height– 13 ¾”
  • B– Corner Length– 4 ¼” x 13 ¼”
  • C– Coverage Dimensions– 13″ x (4″+12″)= 1.44 SF per corner
  • Corner Thickness– 1 ½”
  • Rock Depth varies from ⅞” to 1″
  • Weight per Corner– .65 Kg
  • Corners make 16″ x16″ column. 4 Corners per course

Technical Data

Flame Spread Factor, F9:Heat Evolution Factor, Q:Flame Spread Index, I8:Ave Temp Rise:
30.786.23191.1353.8 c
Technical Data
  • Color Fastness (per ANSI Z 124 xenon arc test): color change @ 2000 hours: 0
  • Specific Gravity: .6
  • Insulation value: R 4.5 per inch of thickness
  • Hardness (durometer D): 68
  • Coefficient of Expansion (in. /in. F): 4.8″/in./C x 10(-5) (varies depending upon substrate attached to).
  • Fuel Contributed: 0
  • Flame Spread (per ASTM E162): Flame Spread Index 191.13
  • Wind Load Test-( per ASTM E330-02)- Withstands Positive and Negative winds over 200 MPH.


Detailed installation instructions are available from your local distributor or you can search our Installation Guide.


NextStone products require minimal maintenance. Occasional rinsing with water is recommended. Prior to using any chemical products on NextStone, test a small inconspicuous area, verifying that no undesired side effects have occurred.


Warranty information is available from your local distributor or on our Warranty Documentation


The information and data herein are believed to be accurate and have been compiled from sources believed to be reliable. It is offered for you consideration, investigation and verification. Due to the inherent manufacturing characteristics of polyurethane, and the In Mold coating coloring process of our product, dimensions and weights are approximate and the colors, as with natural stone, will vary.

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