The wall, or your chosen surface, needs to be rough in order for the concrete to stick properly. I wait until the concrete has dried so that it no longer has a fluid consistency and doesn't easily wipe off if I rub it. There is a pinterest board that says yes: This answer, while suggesting a reason why it is not a good idea, also does not actually provide any experience or studies or examples to show whether mixing latext paint into concrete at certain unknown rations will have any affect on the resulting strength or durability of the concrete. A thick layer of concrete might also hide the boundaries of your stencil altogether, making it difficult to see where you're supposed to peel the stencil off. Sherwin-Williams has all the DIY paint and DIY paint supplies homeowners need to make their project a success. Apply Paint Primer. Massage the alcohol into the stain to loosen the paint. The correct solution is a concrete dye or stain that is created for this purpose. Pads produce a smooth paint finish without the spatter that rollers sometimes cause. Older, cracked, or oil-stained concrete is a tough candidate for paints, stains, or coatings. Find Concrete exterior paint at Lowe's today. The house is 10 years old and concrete has no moisture problem or spalling. Latex paint and epoxy enamel paint are the two most common choices when selecting paint to use on... Prepping the Floor. Drylok Concrete Floor Paint is formulated for a variety of indoor and outdoor concrete applications. But if you're going to cut your design out of vinyl using a vinyl cutter like I did, you're definitely going to need a vector graphics editing program. The term “LATEX” in the paint actually refers to the resin (binder) used in the paint. Why would you ever want to bother painting a mural with concrete, you ask? This is my “tell all” guide to paint concrete statuary. Asking for help, clarification, or responding to other answers. Waste latex paint was used in concrete mixtures both as a partial replacement for virgin latex and for mixing water. :), http://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=2232&context=thesesdissertations. But for simplicity's sake, I'm just going to call it concrete throughout this instructable. I started with 60 grit to roughly remove the large chunks sticking out of the thin layer of concrete, and then stepped up to 120 grit to even it out a bit more. It is specially made for mixing with concrete, and it does not fade. A quote: "It is thought that a co-matrix is formed in LMC, where the cement paste is surrounded by a polymer film. Keep It Simple Apply the paint on clean dry walls that don’t have active leaks. I would like to know the answer to this question: will it have any noticeable affect on durability or strength of the resulting concrete? It has metallic salts that, when exposed to lime and the natural minerals in concrete, create effects that make the concrete look like a stone or leather slab. I didn't mind a slightly rough finish for my concrete, so I didn't spend very much time sanding. If you make a mistake and accidentally paint sealer outside the boundaries of your concrete, wipe it off with a damp paper towel. Basically you want a paste with a milkshake-like consistency that's thin enough to easily paint on the surface of your wall. In Adobe Illustrator, I did that by drawing lines over my design and using Pathfinder's divide function to split it into slices. **** Remember that we are making a stencil, so we want to cut out only the inversion of the final design! latex paint (for instance, most interior wall paint) spray oil; water; sandpaper (optional) pliers/scissors (optional) ABOUT THE PAINT. When compared to oil-based paints, latex is far easier to eradicate. The time it will take to sand a given area depends on how hard or soft your surface is. Paint these areas again. Or just try it and be ready to rent a jackhammer if it goes badly. Mine was a painted white wall, so it took about 4 minutes per square foot to sand to an adequate texture, but use your best judgment. I used a Roland CAMM-1 GX-24 vinyl cutter to cut out the vector file I designed in Adobe Illustrator. Re-wetting is the key to removing the paint … the vacuum is the key to lifting it out of the concrete. Only cut out the areas where you plan to apply concrete, and leave vinyl/masking tape where you want the wall to be exposed. If the concrete is dry enough and the wall is sanded enough, then outermost film of concrete should easily rub away, revealing a thin film of concrete closest to the wall surface. Muriatic acid works very well at removing stains and paint from concrete, but can etch the surface if … someone painted latex paint directly on my basement cement floor. Also sand any glossy surfaces to make them dull. I wanted the wall to match the house in color and finish. It's chemistry and the right answer is going to involve doing some research and/or asking a scientist or engineer, because concrete is chemistry, and dumping miscellaneous junk into the concrete may produce unexpected (unexpected by a non-chemist anyway) results. Concrete for a smooth finish needs a rough surface to which paint easily adheres is to... Home ’ s concrete floor avoids a peeling paint job that will resist stains gradually adding pigment... Floor paint tough candidate for paints, stains, sealers or wallpaper paste slurry into a spray hopper sprayed! Mixture contained a different paint and sample-size jars are ideal for this project because you don ’ t need.. They also work well on interior walls, ceilings, floors and doors mixing directions use concrete than acrylic by... 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