Large Monson Slate Flagstone, Monson Grey Slate Flagstone

Monson Slate flagstone is perfect for outdoor patios, terraces, pavilions, driveways, walkways, stepping stones and hardscaping. Due to its resistance to freeze thaw and acid, Monson Slate flagstone may be laid directly on soil.
Conventional installations are usually over sand, aggregate or concrete. Indoor installations are also possible. Monson Slate’s extreme durability, resistance to water and chemicals make it the best choice of natural flagstone on the market.