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Patching Concrete

Epoxies have been used as patching and mending materials for concrete structures because of their durability, toughness, and resistance to the ravages of weather extremes. Bonstone manufactures many patching materials for concrete, designed for everything from interior floors to exterior paving to concrete buildings and bridges.




Last Patch Limestone

A kit packaged exterior grade concrete repair compound. Designed for addition of stone aggregate, overfill of patch area, and grinding flush.



A two component, 1:1 ratio structural epoxy adhesive compound developed for setting of tile on horizontal or vertical surfaces.


A two-component pourable exterior grade epoxy adhesive.


HRM is a two-component, lime-based, latex modified mortar for the restoration of historic masonry