74 Repair & Renovation Guide EARTHQUAKE: REPAIR PRODUCTS special subjects Repair products for earthquake damages The products commonly used to repair damages from an earthquake are reinforced mortars (usually flexible), fast setting cement mortars, epoxy putties and resins, mechanical anchors (structural fasteners), etc. NOTE Before proceeding with any repair, it is very important to know the range and depth of the damage created (e.g., when dealing with cracks, it is necessary to open/widen them, to determine the depth the damage has progressed damage). In any case, the substrate must be clean and sound. Carefully remove the elements that have disintegrated, foreign bodies, dust, or other materials. It is also necessary to soak the substrate before the repair begins. In some cases, it is necessary to apply special primers to the substrate, in order to create suitable grip conditions for the repair that will follow. ATTENTION: In the case of shear crack formations in the wall, it is recommended to contact a specialist engineer, to determine the course of action - spot repair, total restoration or other type of intervention for solving the problem.
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