Description
Coarse-Grain Deep-Fill Mineral Stone Substitution Mortar
Remmers RM GM M20 provides an efficient, highly authentic solution for repairing structural stone blocks that have suffered deep mechanical impact or severe spalling. This high-solids mineral mortar features an optimized grain distribution built to be packed into deep cavities without sagging, curing reliably into a durable, weatherproof block that mirrors natural stone breathability.
Best Used For:
• Packing deep structural masonry voids, missing block sections, and hollows
• Restoring large-scale spalled areas across historic facades and stone bases
• Rebuilding foundational stone frames, block walls, and structural lintels


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