If your exterior paint is cracking or peeling, the cause can range from ordinary age to a moisture problem underneath. Here’s how to tell which one you’re dealing with.

Black streaks on stucco or siding are usually algae, not mold. Here’s how to tell the difference and what it means for your next paint job.

A white powder on your exterior paint that rubs off on your hand is called chalking. Here’s what causes it and when it means it’s time to repaint.