Your roof doesn’t complain much. It quietly does its job, right up until the first big snowfall finds the one spot it couldn’t handle.
By then, you’re not doing an inspection anymore. You’re doing damage control, usually in the middle of a cold snap. A quick check now catches most of issues ahead of time, and it takes less effort than you think.
Here’s what to look for, and when it’s worth calling in a pro instead.
1. Start from the ground
You don’t need to get on the roof to catch the obvious stuff. Grab a pair of binoculars and walk the perimeter of your house.
Look for:
- Shingles that are curling, cracked, or missing entirely
- Bald patches where granules have worn off
- Sagging spots along the roofline, especially near the middle
- Rust or gaps around roof flashing, chimneys, and vent pipes
- Moss or dark streaking, a sign moisture's been sitting somewhere it shouldn't
Any one of these alone isn’t a crisis. A few of them together, especially clustered in one area, means water is probably already finding a way in.
2. Check the attic
The roof isn’t just what you see from outside. A lot of winter damage actually starts in the attic.
Look for:
- Water stains, mold, or damp insulation
- Daylight coming through anywhere it shouldn't
- Warm spots, because heat escaping into the attic causes snow on the roof to melt and refreeze unevenly.
3. Look for ice dams
Ice dams aren’t caused by cold weather. They’re caused by warm air leaking out of your living space and into the attic. This warm air heats the roof’s underside, melting the snow on top. The melted water then flows down to the colder edges of the roof and freezes again.
That ice builds into a dam. Water backs up behind it, works its way under your shingles, and ends up inside your ceiling or walls instead of your gutters.
The fix isn’t more ventilation, it’s sealing the leaks that let warm air reach the attic in the first place. Gaps around pot lights, plumbing stacks, and the attic hatch are the usual culprits.
4. Clear your gutters
A clogged gutter can’t drain, which means melting snow has nowhere to go but back up under your shingles. It’s one of the simplest things on this list, and one of the most skipped.

When to call a professional instead
Most of what’s above, you can do yourself with a ladder and a clear afternoon. But a few things are worth having a pro look at:
- Anything more than a single-story roof, for safety reasons alone
- Suspected leaks you can’t source from the attic or ground
- A roof that’s over a decade old
An ATCO Energy roof inspection covers all of it in one visit, and if something does need fixing, repairs can usually happen before the snow makes it a bigger job than it needs to be.
FAQs
When’s the best time to inspect my roof before winter?
Early fall, ideally before the first hard frost. It gives you enough time to book repairs before winter weather makes roof work harder and more expensive.
What are the biggest warning signs of roof damage?
Curling or missing shingles, sagging sections, granule loss in the gutters, and rust or gaps around flashing. Water stains or damp spots in the attic are also a red flag.
What causes ice dams?
Heat escaping from your home into the attic, not cold weather itself. That warm air melts snow on the upper roof, which refreezes at the colder eaves and builds into a dam.
Can I inspect my roof myself?
For the most part, yes. Using binoculars from the ground and looking through the attic will catch most obvious problems. Anything involving getting on the roof itself, or a suspected leak you can’t pinpoint, is worth having a professional check.
How often should a roof be professionally inspected?
Once a year is a reasonable baseline, more often if your roof is older or you’ve had recent hail or windstorms in your area.
How long does a roof usually last?
Most residential roofs last 25 to 50 years, depending on the material and how well they've been maintained.
Is a roof inspection worth it if I don’t see any obvious problems?
Yes. A lot of roof damage starts small and out of sight, in the attic or under shingles, long before it shows up as a leak inside your home.







