Cement around decorative bricks leaves grey/matte coating on bricks [solved]
I'm installing a decorative brick wall (individual thin bricks) for the first time. I glued all the bricks and now I'm working on the cement (mortar) around the bricks. I did a few rows yesterday for a test. While applying the mortar, some fell on the bricks. I wiped the bricks with a dry cloth as much as I could but the bricks are now covered with a thin "coating" that makes them pale and matte.
Q1: How can I clean the bricks?
Q2: How should I work the rest of the wall to avoid that?
Q1:
I would try a stiff brush and water. If this does not work, you may be able to try a muriatic acid solution, but I would look at the manufacturer's recommendations first. Depending on the brick color and type, this may discolor the brick.
Q2:
- Apply the grout using a grout bag to minimize the mess.
- When the joints are filled, wait until the grout is the consistency of wet beach sand.
- Go over the joints with a brick jointer.
- As you are jointing, periodically wipe down the brick surface with a wet mason's sponge to remove any grout from the brick face (clean the sponge out in a bucket of water as you go).
After you finish, but before it cures, try powerwashing them. Start with low pressue or back up a ways at first to make sure you dont ruin the new mortar, then move closer or increase as you can.
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