I might fill most of the void with spray foam.
How to fill a large hole in concrete wall.
Unlike repairing drywall filling the holes requires more than just mashing the patching product into the holes.
As moisture fills the holes and the temperature changes the.
Concrete patch is used for repairs of holes or large cracks while a paste of portland cement and water or a concrete caulking product are suitable for smaller hairline cracks.
How to fill holes in a cinder block wall.
How to fill a hole in the exterior concrete wall of a home before painting.
If that isn t an option fill the hole with water.
Removing the debris from a large hole is often a little challenging.
The guys at home depot had a lot of fun lamenting the fact that the hole existed to begin with and then suggested that i build a mold on one side of the wall and fill it in with a pour of concrete.
You ll want to fill so the foam is more or less even with the inside of the block.
The stuff expands pretty much so start at about a 50 fill and see where that gets you.
Video tutorial on how to fill in chases large cracks holes and damage in cement sand render with dunlop pro decor rapid repair mortar ultra fine wall smo.
A water leak led me to remove drywall in my basement and to my surprise i discovered rows of holes 5 8 inch diameter in my concrete walls.
After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.
I m assuming your wall is made of concrete blocks also called cinder or cement blocks.
In most cases you can use a brush or vacuum to get most of the debris.
Spray the hole with water if it s more than 1 in 2 5 cm deep.