When Is the Best Time for a Roof Replacement? (Simple Guide)

Regular inspections are an important part of the maintenance schedule for both commercial and residential roofs. Not only do they help sustain your building’s structure but they put off costly repairs.

But sometimes, no matter how well you try to maintain it, leaks or poor design/construction cause damages that makes replacing your roof a must. Ignoring it may comprise the safety of your property which can lead to accidents.

When complete roof replacement is your only option, make the most of your investment by choosing the most suitable time of year.

Roof Replacement: When Is the Best Time?

If your roof needs to be replaced, the big question is when to schedule it. Apart from when it’s convenient for you, the season plays a vital role in the effectiveness of your roof replacement.

Here we outline how Canada’s seasons affect roof installation so you can evaluate and schedule yours accordingly. First, you need to recognize when full roof replacement is your only choice.

Common Reasons for Roof Replacement


  • Heavy mould or moss growth over a large area
  • Leaks in multiple places
  • Substantial loss of granule coating on shingles
  • Curling or cupping around the shingles’ edges
  • Soft and rotted roof sheathing
  • Sagging spots at the lowest points in the roof

When Is the Best Time to Have Your Roof Replaced?



Winter is the worst season for roof replacement because snow, ice and snow storms make it difficult or impossible to do roof work, especially a full replacement.

Although you may assume winter is a slow season for roofers and you can have your project completed quickly, adverse weather can foil these plans. Asphalt shingles, for instance, cannot be installed when it’s cold because they need time to adhere to your roof to create sealing. This can’t happen when the temperature is below 45°F or 7°C. Shingles tend to become brittle and more difficult to work with as air grows colder. If you choose metal alternatives, you may be able to get them replaced, weather permitting.



Once winter ends, homeowners start noticing the damage it inflicted on their roof.

Although material costs are lower and it’s easier to hire a roofing contractor in spring than other seasons, the unpredictable weather is a problem. Periodic rain or sudden downpours can stick you with a half-finished roof.

The moderate weather, however, does have its advantages. For instance, you don’t have to worry about cool or hot air escaping, and caulking adheres best when temperatures are moderately warm.



Summer is the busiest time for roofing contractors because the weather is typically consistent and warm enough to facilitate roof replacement.

Early summer is the best time to get your roof work done. This is because spring rain has ended and summer’s extreme heat hasn’t set in yet. If you wait until late summer, rising temperatures and heat waves can present their own challenges to the installation crew. That includes melting asphalt which is difficult to work with.

Also, since summer is a busy time for roofing contractors, you’ll have to book early. This is because they are more likely to see weather-related damage and carry out repair projects in summer than install new roofs.



When you Google ‘best time of the year for roof replacement’, autumn is the top result. There are many reasons why this is the preferred time for re-roofing. For instance, as temperatures are reasonable, asphalts seal effectively and roofing crews can work efficiently, without getting overheated. It also helps homeowners prepare their roof for the upcoming cold, snow and sleet that might have had damaging effects if the roof wasn’t replaced.

However, getting an appointment with a roofing company isn’t easy. Contact a reliable contractor at the start of the season to get your project finished before the snow flies.


Replacing your commercial or residential roof is a significant investment that needs to be looked after. After all, it will add to your property’s overall value and prevent accidents. That is why it’s essential that you replace your roof when the weather is favourable and you can maximize this investment without obstacles or delays. That said, if your roof is in terrible shape, contacting our flat roof installation experts to get it taken care of right away.


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