How To Repair Cement Wall. Unfortunately, while economical, these blocks are susceptible to being damaged by the elements, and many of the walls built with them begin to crumble and appear. The only way to repair foundation wall cracks successfully is by the injection process.
Accidents happen, and sometimes the consequence is a hole in the wall.
How can i repair or treat this so that when i paint over it, the stain doesn't bleed through? White cement is no more or less strong than grey cement. The most common problem with tile, concrete tile, fiber cement, and other types of masonry roofing is cracking. I repaired this 16 inch x18 inch wall very well.