How do you know if there is water damage behind drywall?

Water damage to ceilings can be a serious problem, and it is important to be able to identify it as soon as possible so that you can take steps to repair it.
There are a number of signs that may indicate that you have water damage behind your drywall, including:

• Brown or yellow stains
• Peeling or bubbling paint
• Sagging or bowing drywall
• Mold or mildew

If you see any of these signs, it is important to have your ceiling inspected by a qualified professional as soon as possible.
Water damage can cause a number of problems, including structural damage to your home, health problems for your family, and expensive repairs.