The whims of the weather have always impacted our daily lives, and it also can constrain our ability to install a roof. Yes, it can be too hot or too cold to replace a roof in Austin.
Asphalt shingles, which are by far the most common type of roofing material for residential roofs, should be installed when the temperature is between 40 and 85 degrees Fahrenheit, with 70-80 degrees being the sweet spot for roof repairs and replacements.
When the temperature dips below 40 degrees F, asphalt shingles can become brittle and prone to breakage. You should never use damaged shingles on your roof, so the more unusable shingles you encounter during installation, the more expensive your project will be.
Moreover, roofing products require adhesive that needs the sun’s heat for activation. If the right conditions are not achieved during the roofing process, you could risk having a faulty seal on your shingles. Some manufacturers’ installation guidelines set a minimum temperature, and installing outside it can affect the warranty. Check the specific manufacturer’s guidelines for your shingles.
Conversely, if the temperature climbs too high you risk damage in the other direction. Shingles can become too pliable, lose their original shape and be easily damaged during installation. The adhesive may also dry out too quickly when the temperature is very high. Humidity levels are another factor that will impact shingle installation.
The reality for many homeowners, however, is that we don’t always have a choice about when we replace our roof. Emergency situations may necessitate a roof repair when it is very cold or very hot in Austin (and Central Texas at-large). Rest assured, there are ways to work around temperature constraints and still fully and effectively repair or replace your roof. We can help.
If you have questions about repairing or replacing your roof no matter the temperature or time of year, get in touch with us at Storm Guard of SW Austin.
Forty to eighty-five degrees Fahrenheit is the comfortable window for installing asphalt shingles, with 70 to 80 degrees as the sweet spot. There is a reason for that range: in it, shingles stay flexible enough to handle without cracking, and the roof gets warm enough for the sealant strip to bond. Push past either end and you trade away one of those two things.
Below about 40 degrees, shingles turn brittle and the sealant is slow to activate. A good crew adapts rather than forcing it. They store shingles somewhere warm (GAF suggests above 70 degrees for a day before use), handle them gently so they do not crack, keep the nail gun set so nails sit flush, and hand-seal the shingles with roofing cement so they hold until the sun bonds them. Manufacturers like GAF say there is no strict low-temperature cutoff when these precautions are followed, though some set product-specific minimums, so the installer should follow the instructions for your exact shingle.
Above about 85 degrees, shingles go soft and scuff or dent easily underfoot, and the sealant can set too fast. The fix is technique, not luck: crews start early in the day, stage materials in the shade, and tread lightly on the warm roof. Humidity plays a part too, so timing the work to cooler parts of the day helps.
Storm damage does not check the forecast. A skilled contractor can install safely in less-than-ideal temperatures with the right precautions, so an emergency repair does not have to wait for spring. The key is a crew that knows the cold- and hot-weather steps and follows the manufacturer’s guidance, which is exactly how we approach off-season work.
Asphalt shingles, the most common residential material, should be installed when the temperature is between 40 and 85 degrees Fahrenheit, with 70 to 80 degrees being the sweet spot for repairs and replacements.
Below 40 degrees Fahrenheit, asphalt shingles can become brittle and break, which raises costs because damaged shingles can’t be used. The adhesive also needs the sun’s heat to activate, so cold conditions risk a faulty seal.
In very high heat, shingles can become too pliable, lose their shape, and be damaged during installation, and the adhesive may dry out too quickly. Humidity levels also affect how well shingles go on.
It isn’t always ideal, but emergencies don’t wait for perfect weather. There are ways to work around temperature constraints and still fully and effectively repair or replace a roof.
It can. Some manufacturers set a minimum installation temperature, and installing outside it can affect the warranty, so check the specific manufacturer’s guidelines for your shingles.
Unless otherwise noted, each use of "Storm Guard," “us,” “we,” or “our” throughout Stormguardrc.com collectively refers to both the Storm Guard brand and the Storm Guard Franchise System, which is made up almost exclusively of independently owned and operated franchise locations.
