Crumbling Cinder Block Walls

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I have a similar situation in my basement. Most of the blocks in the bottom two rows on the north wall are crumbling. There are addtional spots here and there on the remaining parts this particular wall. Do I need to remove all the paint on the wall before using the epoxy patching compound or just scrape away the loose paint?

Our Answer

Sarah, prep is an important step to any painting project and working with epoxy patching compounds is no different. The more of the old paint you can get off, the better the result will be!