Several years after you complete a bathroom or kitchen renovation, it inevitably starts to show some wear. One culprit is grout: Over time, it stains, cracks, and becomes loose, even if it was ...

Q How do I regrout bathroom tiles in a shower? They are slightly discolored but in otherwise good shape. Is this a job I could do myself? Woodbridge A If the grout is intact, just clean it. There's no ...