Cmp — Stonemason Supplies

The stone industry is evolving. Engineered quartz and sintered stone (like Dekton) are challenging traditional techniques. CMP Stonemason Supplies is at the forefront, stocking:

By choosing CMP, you aren’t just buying a hammer and chisel; you are buying into a network of innovation that keeps your craft relevant in a changing world.

CMP Stonemason Supplies, professional stonemasonry tools, diamond blades for granite, stone restoration supplies, masonry safety gear, stone cutting equipment, mortar for historic masonry. cmp stonemason supplies

A common mistake is using a sandstone mortar on limestone. Here is a quick selection guide based on CMP technical data sheets.

| Stone Type | Recommended CMP Product | Rationale | | :--- | :--- | :--- | | Limestone (White/York) | CMP NHL 3.5 (White) | Limestone is soft. Hard cement crushes it. NHL is sacrificial. | | Sandstone (Red/Buff) | CMP Weatherstruck (Buff) | Sandstone needs a rough, sandy texture to bond mechanically. | | Granite / Basalt | CMP High Strength (Class II) | Dense stone requires a high compressive strength (over 15N/mm²). | | Reconstructed / Cast Stone | CMP Re-Con Match | Specifically pigmented to match factory-made cast stone. | The stone industry is evolving

If you ask any conservation officer what they look for in CMP stonemason supplies, they will say "permeability."

Modern Portland cement acts like a plastic bag over the wall. Water gets in through cracks but cannot evaporate. When winter comes, that trapped water freezes, expands, and blows the face off the stone (spalling). By choosing CMP, you aren’t just buying a

CMP’s lime-rich formulations have a capillary structure. They act like a wick, pulling moisture to the surface where it evaporates harmlessly. This is why CMP supplies are not just "mortar"; they are a life-support system for historic masonry.