The Nature Stone Specification

Nature Stone's specification is in strict compliance with the American Society for Testing Materials (ASTM) standards for Compressive Strength; Flexural Strength; Tensile Strength; Tensile Elongation; Adhesion; Coefficient of Friction; Fluid Immersion; Control of Frame Spread; and Volatile Organic Compound Performance. Nature Stone also offers an exceptional R-Value compared to VCT, Carpet, Linoleum and Coatings. For a copy of the ASTM data, contact John J. O'Keefe, Commercial Sales.

Nature Stone^® also offers exceptional acoustical value. Testing results of these values will be published soon.