Bonstone Historic Restoration Mortar (HRM) Kit – Dark Chocolate – 63 lbs – 45 lbs A, 18 lbs B

SKU: BON-0120138


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Historic Restoration Mortar (HRM) is a A two-component, fast setting, lime-based, latex modified patching mortar.

Product Information

  • Mix ratio: 5:2, Set time: 30 minutes @ 75°F)
  • UV Stable
  • Fast setting
  • Breathable-moisture, permeable patch
  • Resembles natural limestone finish
  • No sanding or grinding
  • Easier to use than Last Patch™ Limestone
  • Available Colors: Neutral, Gray, Indiana Buff, Silver Buff, Red Sandstone, Birmingham Buff, Mankato Cream, Mocha Cream, Mankato Pink, Dark Chocolate, Mountain Valley
  • Available Sizes: 7lb or 63lb Kits


  • Historical building restoration
  • Fill Dutchman joints
  • Aesthetic patching and surface repairs to steps, sills, and edges
  • Repairing pits and holes
  • Can be used as a slurry coat

Additional information

Weight 66 lbs
Dimensions 20 × 20 × 25 in

Product Attr



Packaging Size General

Packaging Size Specific




Dark Chocolate

Country Of Manufacture


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