Mortar Repair Kit HRM

Mortar Repair Kit HRM This versatile patching kit is ideal for repairing chips, cracks, broken off corners with limestone, sandstone, brick, terracotta, precast and concrete. This lime-based mortar is a breathable system which allows for vapor transmission. The kit enables you to patch common job site repairs. Built for demanding site repairs Historic Restoration Mortar (HRM) is formulated to breathe with the substrate, allowing trapped moisture to escape instead of forcing it deeper into the wall or slab. The result is a durable, vapor‑permeable patch that resists future spalling and discoloration. Where it excels Versatile substrates. Limestone, sandstone, brick, terra‑cotta, precast concrete - even porous or previously injected crack repairs. Multiple repair modes. Skim‑coating pitted façades, rebuilding chipped corners, filling routed cracks, or creating neat Dutchman joints. Job‑site flexibility. Three blend‑ready color bases (Buff, Gray, Neutral) can be inter‑mixed for sp