Saturate the scrub brush in the soapy water and wash the cement walls thoroughly with the soap to remove dirt and dust from the concrete surface.
How to maintain concrete wall.
Water stains moss and dirt can ruin the look of an exterior concrete wall.
Sealing joints in the concrete to minimize water intrusion through the joints.
Stack wood planks to create a frame for the wall.
Stand on the stepladder to reach the highest points of the walls if necessary.
How to clean an exterior concrete wall.
To remove stubborn dirt such as tire marks leaf stains and grease spots follow these general cleaning recommendations.
Keep the boards less than 8 ft 2 4 m long so they aren t too difficult to handle.
The cheapest and easiest material to use is 2 in 4 in 5 1 cm 10 2 cm boards cut from a softwood like pine.
Whether the wall is part of a building or a part of the landscape design.
Use a level against the inside face of the plywood the face that will be against the concrete to make sure your form is straight up and down.
These wood barriers hold the concrete in place as it dries so you will need to create 2 of them.
Keep the surface free of debris by sweeping it with a broom or leaf blower or rinsing with a garden hose.