Asbestos under your tiles isn't ideal, but it's not dangerous as long as it can't become airborne.
You probably already know that asbestos can lead to health problems, but how do you know if it's lurking in the tiles in your house? There are some signs.
Asbestos was once thought of as something of a wonder material. It increases durability, it's a good insulator, and it's fire-resistant. From the 1920s onwards, it was added to floor and ceiling tiles ...