
ASTM C666 Testing: Ensuring Freeze-Thaw Durability for Exterior Stone
For stone wholesalers in cold climates, ASTM C666 certification is the ultimate insurance policy. We break down the science of laboratory weathering cycles and explain why mineral density is the only defense against winter structural failure. Learn how our “Big 10” inventory ensures quarry-direct consistency and 95% hue uniformity, providing B2B buyers with the certified performance needed to thrive in high-exposure markets like the US and Canada.







