Use a wire brush to remove the remaining mortar fragments. Careful, though; you could end up damaging the brick if you press too hard! The above technique also works if you want to know how to remove cement from paving slabs. How to remove cement stains from brick with acid ...
Avoid harsh, acidic cleaners if you don't need them—the BIA notes these cleaning solutions "may not be appropriate for pavements containing joint sand stabilizers or polymeric sand-filled joints." If you're not sure what you're trying to remove from the brick's surface, start with the lea...
When you have completed laying all the bricks, go to the wall that faces the wind direction. Remove a section of bricks 3 bricks high from the top of that wall. This gap will serve as your vent, allowing the smoke from the fire out and keep the kiln from overheating. 3 Lay the corr...
Don't worry about removing deep-set stains, as the acid cleaner will remove them later on. You can also dry brush the brick to remove dirt as an alternative to vacuuming. 2 Cover the area surrounding the brick with a tarp. Acid cleaners are corrosive and can damage nearby objects. Lay...