Fall is the best time to find out what's wrong with your roof — because if you wait until winter to find out, you'll be finding out the hard way. Once the snow starts flying, ice dams form, and freezing temperatures make any repair slower and more expensive, a small problem you could've caught in September turns into a real headache in January. Here's what to actually check before winter hits, and why each item matters.
1. Shingles: Missing, Curling, or Cracked
Walk your property and look up at the roof from a few angles — you don't need to get on a ladder for this first pass. You're looking for shingles that are missing outright, curling up at the edges, cracked, or visibly bare (missing granules, showing dark patches). Any of these means that section of roof is no longer doing its job as well as it should. A shingle that's already curling in September is not going to hold up better under snow load and ice — it's going to fail faster.
If you see more than a handful of compromised shingles scattered across the roof, that's usually a sign of age rather than isolated damage, and it's worth a full inspection rather than just patching what you can see.
2. Flashing Around Chimneys, Vents, and Skylights
Flashing is the metal sealing the joints where your roof meets something that penetrates it — chimneys, plumbing vents, skylights, dormers. It's one of the most common places roofs actually leak, because it's a seam, not a solid surface. Look for flashing that's visibly rusted, lifted, cracked, or has gaps where sealant has dried out and pulled away. Rain finding its way through a bad flashing seal in the fall usually means ice finding its way through the same spot in the winter — and ice does a lot more damage on the way in.
3. Gutters and Downspouts
This is the one most homeowners skip, and it's arguably the most important item on this list heading into winter. Clogged gutters don't drain — and water that doesn't drain backs up under your shingles at the roof's edge. That's exactly how ice dams start. Clear out leaves and debris, check that gutters are securely attached and not sagging, and confirm downspouts are actually draining water away from your foundation, not just dumping it at the base of the house.
Gutters clogged, sagging, or just old? We install seamless gutters properly sized and pitched to move water away from your home all season long.
See Our Gutter Replacement Services →4. Attic Ventilation and Insulation
This one isn't visible from the ground, but it might be the most important item on this entire list. Poor attic ventilation is the number one cause of ice dams — not just cold weather. When warm air from your living space leaks into the attic and heats the underside of the roof deck, it melts snow on the upper roof. That meltwater runs down and refreezes at the colder eaves, where it builds into an ice dam that forces water back up under your shingles.
Head up into the attic on a cool day and check for a few things: is there frost or moisture on the underside of the roof deck? Are soffit vents blocked by insulation? Is insulation evenly distributed, or are there thin or bare patches? If your attic feels noticeably warm compared to outside temperature, that's air leaking up from below — and it's the root cause behind a lot of winter roof damage that looks like a roofing problem but is actually a ventilation problem.
5. Roof Deck and Signs of Sagging
From the ground, look along the roofline for any dips, sags, or uneven areas. A roof deck should read as a straight, consistent line. Sagging can mean structural issues, water-damaged sheathing underneath the shingles, or age-related wear — and none of those get better once snow load is added on top. This is one to have a professional confirm rather than guess at, since the fix ranges from minor to significant depending on the cause.
6. Trees and Overhanging Branches
Branches hanging over your roof do two things: they drop debris into your gutters all fall, and they're a liability if ice or a storm brings one down. Trim back anything hanging directly over the roofline before winter weather makes that a harder job — or a more dangerous one.
7. Caulking and Sealant Around Roof Penetrations
Beyond flashing, check any exposed sealant or caulking around pipe boots, vents, and other roof penetrations. Sealant dries out and cracks over time, especially after a summer of UV exposure. A quick visual check for cracking or gaps here can catch small leak points before winter moisture finds them.
What to Do If You Find a Problem
Not everything on this list needs a full roof replacement — most of what shows up on a fall inspection is a repair: a few shingles, a flashing reseal, a gutter clean and adjustment, or attic ventilation improvements. The key is catching it now, while the weather still allows for it and before ice season makes every fix more complicated and more expensive.
If you're not confident doing this walk-through yourself, or you spot something that looks off and want a second opinion, we do free roof inspections and estimates across SE Massachusetts. Joshua will walk the roof with you, tell you honestly what needs attention and what can wait, and give you a straight number if work is needed.