Step 1 clean the surface as with most painting projects preparation is the biggest key to your success.
Painting exterior concrete basement walls.
Clean the concrete wall.
Some masonry paint is thicker than exterior paint and.
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.
Not only do you need to pick the perfect paint color but you may be working with an unfamiliar material such as masonry brick.
This can include ensuring.
Choose paint for your project.
Patch gouged or otherwise damaged areas with concrete filler.
Most importantly you ll need to check that your walls are waterproof before heading to the paint store.
Painting your basement with a quality paint can help control some of the seepage.
With proper preparation painting surfaces like these can be simple and the end result will be worth the effort.
How to paint concrete block basement walls step 1.
Clean the concrete surface with tsp.
Exterior house paint can crack and peel on concrete.
Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
Select paint appropriate for your outdoor project.
You will need a paint that is.
You may also use a pressure hose to.
Assess the condition of the walls.
Paint concrete basement walls to increase the basement s aesthetic appeal and improve moisture control.
Making over a basement wall oftentimes requires a little more work than a standard interior 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.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Remove any mildew with a mildew remover following the product instructions.
When you set out to paint concrete the process.
You can check by purchasing a lead paint test kit online or at a home center.
Repair any cracks or blemishes in your wall with concrete patch.
Apply an even coat with a wide paintbrush.
Using a solution of trisodium phosphate tsp and warm water clean the.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
Concrete is porous and it is not unusual for basement walls to absorb water from the ground and pass it into the house.
Allow it to dry for four hours or for the time indicated on the sealer.
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.