Crack injection demonstration using using Boston Historic Restoration Mortar (HRM) and Bonstone Clear Gel.

Historic Restoration Mortar (HRM) is a two-component, lime-based, latex modified mortar for the restoration of historic masonry structures. It is ideal for pits in the face, open cracks, and patching for limestone and sandstone. [ Ссылка ]

Bonstone Clear Gel epoxy is a versatile product which can be used for a wide variety of applications. As a knife-grade epoxy, the consistency of Bonstone Clear Gel allows you to squeeze out thin bond lines, so clamping doesn’t produce a mess of displaced adhesive. [ Ссылка ]

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