No matter what you think of snakes, you must agree that they have a unique way of dealing with worn-out skin. When the time comes, they simply shed it — like an old jacket — revealing a fresh new skin underneath.
Your home's roof doesn't have that advantage! So, when the shingles wear out or become damaged, you need to have them replaced.
Unfortunately, it's not always easy to determine whether your shingles need replacement right away, or whether you can hold off for another year. Assuming...