Can You Replace a Roof in November? An Honest Look at Cold-Weather Installation
Photo by Mark Bishop on Unsplash
Every November, homeowners ask the same thing: is it too late to replace the roof this year? The honest answer is “it depends,” and anyone who gives you a flat yes or flat no is skipping the interesting part.
Roofing in cold weather can be done well. It can also be done badly. The difference is mostly in the details, so here’s what to understand before you decide.
What cold weather changes
Asphalt shingles have a strip of factory adhesive that bonds one course to the next, and that bond is activated by warmth, usually from the sun. In cold weather, the strips can be slow to seal or may not seal until a warmer stretch arrives. Manufacturers generally recommend hand-sealing shingles with roofing cement when temperatures are low, and that takes extra time and care.
Cold also makes shingles stiffer and more brittle, so they need gentler handling. Nail guns have to be set carefully so the nails aren’t driven too deep or left too proud. Frost or ice on the deck must be cleared before work starts. And shorter days mean less working time for each job.
Questions to ask before a cold-weather install
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How will the shingles be sealed? Hand-sealing in cold conditions should be part of the answer. -
What happens if the forecast turns? A good contractor will reschedule rather than leave a roof half done. -
Is the job a single-day project? A roof should not sit with an open deck overnight. -
Will the warranty be registered? The installation should still meet the manufacturer’s requirements.
When it makes sense to go ahead
If your roof is leaking, has failed flashing, or has storm damage, waiting through a winter of freezing and thawing usually costs more than a careful November installation. If your roof is aging but sound, it often makes more sense to book a spring or early-summer project in good conditions. The right call depends on what an inspection finds, so get that first.
We look at the forecast, the roof, and the daylight before committing to a date, and we’ll tell you plainly if waiting is the better choice.
GAF Certified and Owens Corning Preferred, with a 10-year workmanship warranty on our installations.
A free inspection will tell you which side of the line your roof is on, with no pressure either way.
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