Choose a waterproofing paint designed for concrete and masonry surfaces.
How to paint concrete outside wall.
When you set out to paint concrete the process.
Place several pieces of masking tape in various locations on your wall and pull each piece of tape off abruptly.
Take an 18 inch by 18 inch square of aluminum foil or thick plastic and tape down all four sides sealing the square to the concrete with tape.
Repair any cracks or blemishes in your wall with concrete patch.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
All it takes is time and some very careful preparation.
How to paint exterior concrete retaining walls step 1.
The best type of concrete paint for exterior walls is also elastomeric while 100 percent acrylic paint is a second best option.
All concrete is porous and absorbs moisture but if your concrete patio contains too much moisture you won t be able to paint it until you correct the moisture content.
Exterior house paint can crack and peel on concrete.
Clean the concrete wall.
Check the label of the paint to ensure.
You will need a paint that is.
Clean the concrete surface with tsp.
Paint the concrete masonry paint also called elastomeric paint or elastomeric wall coating is a good choice for concrete painting because it contains binders that contract and expand with the concrete.
Choose paint for your project.
Make sure to apply 2 coats to achieve the highest durability.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Wait 16 to 24 hours.
Using a solution of trisodium phosphate tsp and warm water clean the.