How To Prepare Concrete Wall For Elastomeric Paint

You will need a paint that is.

How to prepare concrete wall for elastomeric paint.

They can be applied by brush roller or spray at a dry film thickness of around 1 to 3 mils per coat. Excess residue may interfere with adhesion of the coating. Use a commercial style pressure washer and at least 2500 psi. Etch the concrete pathway with a commercial acid designed for etching concrete such as phosphoric acid.

The first step when preparing concrete block walls is pressure washing. While elastomeric paint does fill in smaller cracks you should fill in most cracks with acrylic or siliconized caulk. Apply it with a masonry brush 5 to 8 a high capacity 3 4 inch or higher roller or a texture roller 5 50. Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.

Watertight this is one of the main advantages to elastomeric coating as it puts a secure coating on the surface so that the moisture is unable to intrude into the walls. Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint. 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. Repair any cracks or blemishes in your wall with concrete patch.

If you re filling in a large crack use layers to fill it in letting it dry in between. 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. Acrylic latex coatings are commonly applied to exterior concrete surfaces primarily for aesthetic reasons. Some masonry paint is thicker than exterior paint and.

Exterior house paint can crack and peel on concrete. Use a caulk gun to fill the crack and then smooth it out with a putty knife. Choose paint for your project. An acrylic primer is typically applied prior to two coats of the finish paint to achieve a total system thickness of about 3 to 6 mils.

Paint with a sheen or gloss will be easier to maintain for example. The surfaces that the layers work on are poured concrete masonry stucco floors roofs brick metal and wood with caution. Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer. The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.

Seal cracks larger than 1 16 inch 0 16 cm with caulk. A suitable spray pattern is the 15 degree tip held 12 inches from the surface. Clean the concrete wall. Any remaining loose paint will need to be removed manually.

For exterior projects use a power washer to rid the wall of all dirt and dust.