How To Patch Holes In Cinder Block Wall. A paint roller or brush made specifically for masonry is best. Sincerely speaking, big holes in a cinder block wall are not only unappealing but also they may result in crumbling of the entire wall since, with time, they although it may take several hours or even a day to fill a large patch hole in your cinder block wall, you need to have the right tools and equipment to.
Whoever installed this wall opted to place the top blocks so that the holes are facing the side rather than the top and bottom.
It's hard, tiring and frustrating. How to repair a concrete (cinder) block wall posted by the kim six fix on 8:00 am in exterior tile/concrete this post may contain affiliate links. Cut a hole in the cinder block wall if you are enlarging an existing wall or putting in a new window. In severe cases, you may even need to replace sections of the wall for its stability.