Its no problem, my only word of caution is you have a virtually maintenance free exterior that now will require maintenance. Has the brick had any kind of silicone sealer applied to it in the last 5 years? if so that will be a problem.
Does it have deep mortar joints? if so a roller may not get into them and so it may need to be sprayed.
Clean the brick and power wash, apply SW Loxon primer, if the brick is really absorbent then I would consider two coats of Loxon primer.
Top coat with two coats of good quality exterior satin paint such as SW Duration.
Yes that is four coats of paint, but it is your home. Get a good foundation of primer on it. Use the best quality products so you are not repainting it every 5 years, anything less will be false economy.
Not meaning to hi-jack the thread but I am about to do one that is brick veneer. They are very smooth only texture is the joints. am going to spray, should say very dark brown color. Would this change anything in your prep?
But that is real brick what I am talking about is maybe 1/2" thick or less and has a very smooth, almost glazed, finish. If you put the pressure washer on it too long and hard the color will change with clear water.
I would recommend against using a regular masonry primer. The product that I would recommend is SW Loxon Conditioner. It is a primer but is much thinner. When going over brick and mortar must stay thin to win.
I'd determine beforehand if the interior moisture vapor has somewhere to go besides thru the brick to the outside, which will of course, take the mortor salts with it thru the paint, and maybe take the paint off too.
I would use a loxon product but it's a good product for surfaces that have been weathered. You could then use A100 which is a good product or sherlastomeric which would expand and contract with the block surface and will hold up for a long time. Just check with your paint store for the best product for your area.
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