Depending on the specific requirements of the job, crack repair by epoxy injection can restore structural integrity and reduce moisture penetration through concrete cracks 0.002 in. (0.05 mm) in width and greater. Cracks can be injected from one or both sides of a concrete member.However, before any con-crete repair is carried out, the cause of the damage must be assessed and corrected and the objective of the repair understood. If the crack is subject to subsequent move-ment, an epoxy repair may not be applicable.One of the potentially effective repair procedures is to inject epoxy under pressure into the cracks. 
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