If you have old, cracked, uneven, or non-level concrete slabs on your patio, you may be thinking about removing the concrete ...

After a day or two, check the pieces of film. If you find no moisture under them, the slab is probably dry enough to proceed with the installation of the hardwood floor.

1. Look for cracks - The most obvious symptom of a garage floor about to give way is a crack that keeps growing. If your slab is split down the middle, call a contractor to come check it out.