Resolve known leaks first
If a repair was temporary, confirm whether permanent work remains. Do not assume roof cement, a tarp, or an earlier emergency visit completed the final scope.
Review water and snow paths
- Gutters, downspouts, drains, and scuppers
- Valleys and areas where roof sections meet
- Entrances, walks, decks, vehicles, and lower roofs below metal slopes
- Snow-retention components and attachments
- Chimneys, skylights, vents, and wall transitions
- Tree limbs over the roof or service lines
- Low-slope areas where debris or water can collect
Look at accessible attic conditions
Check for old staining, damp insulation, disconnected exhaust, blocked soffit intake, missing baffles, or evidence of prior frost. Air sealing, insulation, ventilation, and properly terminated exhaust work together in cold-climate performance.
A roofer can evaluate roof components, but insulation, air sealing, mechanical exhaust, electrical, or remediation work may require other professionals.
Create a winter contact plan
Know whom to contact for roofing, water mitigation, tree work, utilities, and emergencies. Keep roof and warranty documents available. Describe active water clearly, but understand that severe weather and safe access can limit response timing.
Do not wait for the first freeze to discuss ice-dam history
If the home has leaked at the eaves, formed repeated ice, or shown attic frost, provide photos from prior winters. Conditions may be absent during a dry fall inspection, so the history is part of the evidence.
A fall evaluation can establish roof and attic observations before snow cover, while longer-term air-sealing or insulation work may require scheduling with additional professionals.
Keep winter safety boundaries clear
- Do not climb onto snow or ice
- Keep people away from sliding-snow zones
- Do not chip roofing with sharp tools
- Avoid wet electrical fixtures and bulging ceilings
- Use qualified help for roof and tree hazards
- Understand that severe weather can delay safe roof access
The pre-freeze list, in priority order
| Priority | Task | Why it matters before freeze-up |
|---|---|---|
| 1 | Attic air sealing check | The cause of ice dams. Everything else is downstream |
| 2 | Confirm exhaust fans discharge outside | A fan venting into the attic undoes everything else |
| 3 | Confirm soffit intake is open | Blocked intake makes the ridge vent draw from the house |
| 4 | Clear gutters and downspouts after leaf fall | A gutter full of debris holds ice at the eave |
| 5 | Clear low-slope drains and scuppers | Blocked drainage plus snow is a combined load |
| 6 | Check flashings and penetrations | Cheaper to fix now than in January |
| 7 | Cut back overhanging branches | Reduces limb-contact risk under snow and ice load |
Why the attic outranks the roof in autumn
Almost everything expensive that happens to a Vermont roof in winter traces back to heat escaping into the attic. That single mechanism produces ice dams, the ceiling stains that follow them, the attic frost that drips during a thaw, and the emergency steam-removal callouts. None of it is fixed by anything done on top of the roof.
Autumn is the last convenient moment to address it. Once there is snow on the roof and frost in the ground, the work is harder to schedule and the consequences are already in progress.
Where the warm air gets into your attic
Vermont Energy Saver explains the mechanism behind winter roof trouble: warm air escaping from the occupied part of the building up to the underside of the roof in the attic begins melting the snow above it, sending trickles of water down the outside surface. The same source advises that air sealing should typically be done before adding insulation, and that leaks are most significant in the basement and attic.
That gives a fall checklist a second half. Roof and gutters come first, then the attic floor. Look for the paths warm air takes: the attic hatch, recessed lights, wall tops, chimney chases and any hole where a wire or pipe passes through the ceiling. Photograph what you find and hand the photographs to whoever quotes the work.
Primary sources
Published August 29, 2026 and last reviewed August 29, 2026 by Greater Burlington Roofing. General roofing information; an on-site inspection is required for property-specific recommendations.