How do I tell if a slab crack is a problem?

More HomeShow Videos:

Get More Home Improvement Answers from Tom

What can I do about vinyl floors that have a hollow sound under them

What can I do about vinyl floors that have a hollow sound under them?

What's the first for wood floors where the glue dries out

What’s the first for wood floors where the glue dries out?

How can I tell if a crack in my bricks is a serious problem

How can I tell if a crack in my bricks is a serious problem?