Q: My upstairs toilet once had a leak that damaged the floor around the base. The area around the toilet became soft and discolored, and a friend recommended that I have someone familiar with mold ...

Q. I’m getting ready to install 3/4-inch, tongue-and-groove golden oak hardwood flooring. I’m ready to start the job, but my wood subfloor seems to have all sorts of high and low spots. I don’t know ...

DEAR TIM: It’s time for me to install some ceramic tile and hardwood flooring. I read on your website that it’s really important for the subfloor to be flat and level if at all possible. Since I don’t ...