Cmp Stonemason Supplies Verified Today

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).

Don't let a beautiful stone wall be ruined by a bag of cheap, stiff cement. Invest in CMP, invest in the right technique, and watch your masonry work weather gracefully for decades. cmp stonemason supplies

A: For cement-based CMP products: 3 months in a dry shed. For Lime-based CMP products: 6 months, provided it is kept off concrete floors (concrete wicks moisture up into the paper bag). Modern Portland cement acts like a plastic bag over the wall

A: You don't match the stone; you match the mortar . Use CMP’s "Color Match" service. You send them a sample of your old mortar (a 50g chip), and they will dye a custom batch of CMP pre-mix to match exactly. The Future of Masonry As building regulations tighten regarding thermal efficiency , the natural stone industry faces a paradox: insulating a stone wall with foam kills the stone. CMP stonemason supplies is currently leading research into breathable insulation —lime-hemp mortars that offer an R-value (thermal resistance) without trapping moisture. Don't let a beautiful stone wall be ruined