Wash the walls with degreasing cleaner then sand them lightly with coarse grit.
How to fix rough concrete walls.
Clean substrate and remove all loose material dust etc.
Drywall joint compound is often the best way to cover rough texture and leave a flat blank canvas on your wall.
Prepare the wall surface first use a putty knife to remove any loose material near the damaged areas.
Outline the surface defect with a to inch deep saw cut.
Start at the bottom corner of one wall and in a single.
Concrete resurfacing using an overlay can make an old cracked and pitted concrete patio look like new again.
How to make rough walls smooth again.
Spray the wall with a light mist of water.
When chipping leave chipped edges perpendicular to surface or slightly undercut.
Pour some dry joint compound powder into a large bucket and begin adding small amounts of cold water while thoroughly mixing the compound until it reaches the consistency of cake batter.
Wet the pointing trowel and hold it upside down as you scoop the mortar loading up its lower side.
Dampen patch area plus 6.
Cover the floor with drop cloths.
Remove defective concrete down to sound concrete.
Specially formulated to restore lackluster concrete resurfacing products like rapid set newcrete available from the home depot make it quick and easy for.
The injection process fills the crack from top to bottom from inside to outside.
The only way to repair foundation wall cracks successfully is by the injection process.
Choose a concrete resurfacing product.
Once the concrete is dry again sweep the rest of the dust and residue off with a push broom.
Wipe the rough walls with the sponge to remove any dust.
Do not feather edges.
Resurface your concrete on the same day you clean it or else dirt and dust will start to form again.
Dampen a sponge with warm water.
Let the walls dry completely.
How to repair surface defects.
This patio i repaired the small cracks lightly ground the surface applied the overlay with a hand trowel at about 1 16 inch thick then dragged a broom across the overlay to give it a broomed finished look.
Work in small areas at a time to clean off the area entirely before moving on.
Sweep off the concrete with a stiff bristled push broom.