How to Paint Over a Brick Wall
Painting over a brick wall can be done in a variety of ways, but using a glaze over the grout and blending it into the brick is a great way to create a lighter effect without ruining the texture of the brick. Use different types of primer and glazes to paint over brick with helpful tips from a professional artist in this free video on painting techniques.
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How to paint over your brick. There are, as usual with me, many options here. For instance, this particular brick, I don't mind the brick itself, but I really dislike the black grout and I would like to update it. So I will show you, as part two of this, how I'm going to solve that solution without annihilating the pretty brick colors that I don't mind too much. If you want to just paint it, just stripe paint it, the first thing to do is determine what might have been on these bricks -- some sort of sealer, there might be a sealer on there. So probably the best thing to do is to prime it with a primer; water-based would be idyllic. Try to go water whenever you can. This is a bonding primer. If it's a super slick, shiny brick for some reason or a tile brick, use a bonding primer, something that is going to stick to the surface. Ask your paint shop what's the best thing to use. If you're anything like me, you hate to paint more than once. Have it tinted to the color you want, and then, using a very heavy nap roller, because there is a lot of depth in here, you'll probably also need a brush and it's going to be destroyed, so use an old, nasty brush that you have. Brush in the paint into all the joints and then roll that primer over everything until it's as covered as you want it to be. If you want total coverage, cover it as totally as you can get it so you don't see anymore bricks or anymore grout lines. It could take a couple coats. Since I'm a decorative painter and I'm not real fond of the look of painted brick, because that's what it looks like -- painted brick -- I have decided to simply paint the grout lines by using... it's a glaze that I also have in this room already, so we could call that a mother color theory. I'm using colors on the wall and putting them now into my grout lines so everybody is all happy together. So what I'm going to do, my objective here, is to get rid of the ugly black grout lines by simply putting... I'm using a dollar brush. I have a backup hog-hair brush that means it's fairly stiff; dollar brush, to me, it doesn't matter if I destroy it because it will become a different brush for my collection of battered brushes. I'm going to apply this glaze, which gets kind of a mix of a bunch of things -- a little bit of primer, a little bit of polyurethane, all water-based, and some paint, maybe some tint. I'm going to wipe my grout lines, and then, you see, it gets onto the brick. If you like that, leave it. If you don't like it, you'll go back and wipe it off. The first thing to do, though, is to remove it so it doesn't look heavily-painted in those grout lines. I'm just going to keep wiping the grout lines until I like the way they look. As you can see, the sponge has already had some damage. Not much scrubbing left, but it's still got a little bit of life left. I have finished. Goodbye, black grout line, hello new-look brick.