Recognized around the world as the finest quality gray granite available, Barre Gray is the ultimate long-lasting choice in any finish. Its unique proportions of quartz and feldspar make it unusually durable, moisture resistant and thermally stable.
ASTM TEST DATA
Average Absorption (%): 0.210
Compressive Strength: (C170)
Average Compressive Strength (psi): 23,645
Modulus of Rupture: (C99)
Average Modulus of Rupture (psi): 2,393
Flexural Strength: (C880)
Average Flexural Strength (psi): 2,172
Please notice that the above ASTM results are representative of our most recent tests. Your actual results may vary slightly
All figures are for reference only and are based on averages.