Watch our step by step video showing how to prepare an external wall for painting with expert advice and top tips to help you complete the job with confiden.
How to prepare concrete wall before painting.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
Let the paint dry for 1 2 days before stepping on or placing anything on the concrete.
Regardless of the finish and whether the concrete has already been painted the cleaning procedure is very similar.
Drylok is an interior latex paint that serves double duty as a waterproofing agent for previously uncoated concrete masonry or cinder block basement walls.
You ll probably need to wait about 48 hours after applying primer before you can paint but don t wait more than 30 days to paint.
There are two basic types of finish on concrete block smooth and split face.
Before you paint and after you seal your concrete you need to prime your wall.
Step 1 clean the wall.
If you properly paint a concrete block wall it will last for years with little upkeep.
Let the surface dry thoroughly before you begin to paint the concrete.
As the tsp reacts with the concrete you are likely to notice a slight bubbling across the floor or surface.
Here are 5 basic steps to help you do the job successfully.
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.
Use a concrete primer which will help you get a smooth even surface that the paint can stick to.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.
Exterior house paint can crack and peel on concrete.