Cracked block foundation wall repair Northern Virginia or crawl space foundation walls, what are the remedies to repair this problem? If your basements or crawl space cinderblock foundation wall is cracked, it can lead to many problems in your Northern Virginia home. There are two main methods to repair a cracked CMU block foundation wall in your basement. The first and easiest is to repair the crack from the inside, and the second is to attack the problem from the exterior of your home. There are inherent problems in both of these methodologies to repair a cracked block foundation, and also advantages to each of the methods. The main advantage to repairing a cracked block basement foundation from the inside is that it tends to be much less costly. The main disadvantage of repairing a cracked block foundation from the inside is water is still able to leak into the cells of the block. Likewise, repairing your basement foundation from the outside will stop any water infiltration into your basement and into the block itself. The disadvantage of repairing a block foundation wall from the outside is it tends to be much more expensive. Fairfax Contractor has experience in performing interior and exterior basement block foundation repairs. We would be happy to come out and evaluate your particular situation and offer a free estimate and evaluation.