4 i can disprove your theory that the concrete will not set up correct due to water ratios.
How to sack and patch a concrete wall.
1 i have been doing these walls for 30 years.
Find concrete mortar repair at lowe s today.
This is a good size area to work in so the drying of the slurry does not go faster then your ability to rub out the wall.
Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside.
Ardex twp is a trowelable portland cement based finishing compound used to fill and smooth interior and exterior vertical concrete surfaces such as tilt up walls pre cast or poured in place concrete panels and other concrete or masonry surfaces prior to sealing or painting.
And if a wall is chipping or crumbling it s fair to say the bag was taken off way to early.
The old way sacking and patching the traditional method for repamng concrete surface defects is.
Professionally made they can be extremely expensive but they always look beautiful.
The injection process fills the crack from top to bottom from inside to outside.
Then try to patch the wall so the repair matches the rest of the surface explains drennan.
Combine these with the bug holes concrete flow lines and other blemishes and a building the size of apffels has a lot of wall area to be smoothed.
3 that video above with the guy putting steel in the bags is my video.
However an enterprising individual with a few sacks of concrete and a garden hose can make an equally useful and elegant concrete bag retaining wall.
2 i have tested several types of bags.