QDEAR TIM: The stairs in my home are in sad shape. One tread is cracked, and others are scratched from years of abuse. I know I can hide the problem with carpeting, but that's not my style.

Q.The stairs in my home are in sad shape. One stair tread is cracked and others are scratched from years of abuse. I know I can hide the problem with carpeting, but that’s not really my ...