The chalky white substance so often found on old brick cement or cinder block walls is efflorescence.
Concrete block wall painted white.
Use the patch compound to fill in all holes.
Here are 5 basic steps to help you do the job successfully.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
Step 1 clean the wall.
Whether used for an outdoor garden wall or as an.
Can you help those powdery white stains are likely caused by efflorescence.
Designed to form an impermeable barrier to water on interior and exterior vertical or horizontal concrete block and cast in place concrete.
However there are some things to consider when painting a concrete wall.
When you set out to paint concrete the process begins rather unglamorously with concrete filler which acts as a primer for the painted surface.
It s an alkaline substance composed of salts and minerals from the concrete itself in.
See more ideas about concrete blocks concrete block walls cinder block walls.
Steve asks i built a retaining wall last year and the blocks are turning white.
Low voc mold and mildew proof white water based waterproofing paint case of 2 is a modified acrylic co polymer concrete and masonry waterproofing paint and finish.
Dec 4 2015 explore mark widdowson s board painted concrete blocks on pinterest.
There are just a few critical differences between a good and a bad paint job.
There are two basic types of finish on concrete block smooth and split face.
As concrete cures the moisture slowly migrates to the surface of the block bringing dissolved salts and minerals with it.
A properly painted concrete block wall will be virtually maintenance free for many years but the same wall not properly painted can be a maintenance nightmare.
If you properly paint a concrete block wall it will last for years with little upkeep.
Designed to form an impermeable barrier to water on interior and exterior vertical or horizontal concrete block and cast in place concrete.
How to paint a cinderblock wall.
Efflorescence is a white powder that can form on the concrete block and is caused by water infiltration.