Your roof is your own personal shield for protecting your home against all sorts of elements. From intense heat to rain to wind and snow, it’s your first line of defense in keeping your home safe. But just like anything, even the sturdiest roof eventually reaches the end of its life.

And while repairs and maintenance can go a long way, eventually, there’s a time when patch jobs won’t cut it anymore. If you’re wondering whether it may be time to bite the bullet and replace your roof, here are some telltale signs that a full roof replacement may be in order.

It’s Over 20 Years Old

Traditional asphalt shingle roofs are designed to last just about 20 years. If your roof is just about to reach 20 years old, or it’s over 20 years old, it’s time to start seriously considering whether it’s time to replace it. Even if it looks fine from the ground, materials naturally degrade over time due to exposure to the elements. Just because you haven’t had a leak yet doesn’t mean you need to take the risk. Your roof may be on its last legs, and it’s always better to act early than after it’s too late.

You See Damage

If you see missing, cracked, or curling shingles, these are big red flags. If your shingles are starting to buckle or come loose, then your roof has officially been compromised. You might also notice chunks of shingles piling up in the gutters, which is a sign of deterioration, and an indication that they’re no longer providing adequate protection to your home. Patchwork just won’t do anymore—it’s time to call a professional and replace it.

Leaks

If you’re starting to see water stains on your ceilings or walls, it’s not just a cosmetic issue. This likely means that your roof is officially compromised. Leaks may start small and go unnoticed for a few months, but over time, they can start causing structural damage and even mold growth. If you’re patching new leaks every time it rains, then it’s time to stop patching and start replacing the entire thing.

Sagging

A droopy or sagging roof is a major warning sign. This indicates trapped moisture and long-term water damage that has affected the roof structure underneath the shingles. It’s not only unsightly and has a potential for mold, but it’s potentially dangerous too. This is a case where you should call a professional right away, as your entire roof could cave in on you and your family.

High Energy Bills

Have your heating or cooling bills suddenly increased dramatically? If your roof is allowing air to escape or enter, it could be forcing your cooling and heating system to work that much harder. Poor insulation is a major concern with a roof that needs to be replaced, so a new energy-efficient roof may be in order.