You have to prep the edges correctly and use the right materials.
View How To Patch A Hole In Concrete Foundation
Pictures. That's all this is right now, a temporary patch. Hydraulic cement will not shrink like regular concrete does.
Big Hole In Basement Foundation Need Help Filling It Up Houserepairtalk from imagearchive.com
Use a hammer and a cold chisel to level the bottom of the hole and undercut its sides slightly so the patch can't pop loose. There is nothing in basic portland cement that will act as a bonding. A peeling concrete foundation or concrete form means the outer edge of the concrete has rotted and started to break away.
My house has a 10 poured concrete foundation.
Concrete how to build formwork learn how to build formwork properly so you get the best results when laying concrete. You have to prep the edges correctly and use the right materials. These were pathced from the outside with what looks like ordinary cement. Walls how to patch plaster find out how easy it is to patch a hole in a hard plaster wall.
