Repair any cracks or blemishes in your wall with concrete patch.
Painting exterior concrete basement walls.
Clean the concrete wall.
Locate any sources of moisture and correct the problem before starting your paint job.
All it takes is time and some very careful preparation.
Not only do you need to pick the perfect paint color but you may be working with an unfamiliar material such as masonry brick.
How to paint concrete block basement walls step 1.
Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
Allow it to dry for four hours or for the time indicated on the sealer.
You can check by purchasing a lead paint test kit online or at a home center.
Painting your basement with a quality paint can help control some of the seepage.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Patch gouged or otherwise damaged areas with concrete filler.
You can use a fresh coat of paint to bring new life to an old basement an exterior masonry wall brick or even a garage floor.
Some masonry paint is thicker than exterior paint and.
You will need a paint that is.
Making over a basement wall oftentimes requires a little more work than a standard interior wall.
Apply it with a masonry brush 5 to 8 a high capacity 3 4 inch or higher roller or a texture roller 5 50.
Clean the concrete surface with tsp.
If the paint is old it may be lead based.
Using a solution of trisodium phosphate tsp and warm water clean the.
When you set out to paint concrete the process.
You may also use a pressure hose to.
Most importantly you ll need to check that your walls are waterproof before heading to the paint store.
Step 1 clean the surface as with most painting projects preparation is the biggest key to your success.
Concrete is porous and it is not unusual for basement walls to absorb water from the ground and pass it into the house.
Choose paint for your project.
Apply an even coat with a wide paintbrush.
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.
Exterior house paint can crack and peel on concrete.
Select paint appropriate for your outdoor project.
If there is a previous coat of paint you ll need to remove it if you want to repaint with concrete paint because concrete paint needs to adhere to a porous surface.
This can include ensuring.
Remove any mildew with a mildew remover following the product instructions.