Q: You have written about spalling or flaking bricks and why they’re that way. You said a cap of stone, wood or metal is needed to keep rain and snow out. Would you please explain what kind of cap you ...

Q: I have a brick wall around my patio and I’m noticing the bricks are starting to fall apart. At first there was a white powder on the face of the bricks and then the bricks started to flake apart.

Q. Some bricks on the front of my home are deteriorating; I have no idea if it is an animal causing it or what. Any remedy or repair you could recommend? A. Brick is porous, and the older it gets, the ...