One key to getting the job right is understanding how to choose the correct tile adhesive. Thin-set mortar is generally what the pros use to install tile and stone, but as Mike Holmes' daughter, ...

Mike Holmes posing with his kids, Sherry Holmes and Mike Holmes Jr. - Isaiah Trickey/Getty Images ...

And beyond problems with the tiles themselves, applying the compound too early may also open you up to potential future mold problems. If the mortar is still wet ... old specks of grout, or excess ...