40 degrees is a good rule of thumb.
New roof installation temperature.
Many roofing products have adhesive properties that require the sun s heat for activation.
Cool roofs are a great way to get the roofing color and material that you wanted at a better energy efficiency rate.
Tear offs require many unseen parts like underlayments and starter strips.
If the installer does not follow the cold weather instructions few can afford to because it requires you to hand seal each shingle you can have a shingle blow off.
If you have a favorite roofing material that you d really like to install in your new home but are worried about its energy efficiency it s good to know that most materials do have a cool roof option.
It is recommended to install them when the outside temperature is above 40 f degrees.
A new 3 250 square foot roof can range from 6 500 to more than 20 000.
Metal shingles and standing seam roofs may be installed in any weather including cold temperatures.
The best time to install a new roof is when the weather is warmer than 50 degrees the shingles need heat from the sun to seal.
Roof replacement during the summer summer is one of the busiest times of the year for roofing companies.
Below that crews may have issues with their equipment air compressors and hoses working properly and shingles may not seal espescially on northern facing slopes.
Ideal temperature to get the best results and to prevent breakage or softening of materials install roofing when the temperature is between 50 and 60 degrees f if at all possible.
It really is too cold when temperatures drop below 40 f 4 c.
Repair is costlier on a per square foot basis because it is more time consuming to integrate new shingles into a roof here and there than to install them over the entire roof.
Thermoplastic single ply membranes tpo pvc with heat welded seams can also be installed in cold weather.
Each shingle manufacturer will specify if they have minimum temperatures for install.
Here s what goes into a contractor s quote.
If more than about 35 of your roof is going to need repair due to wind or hail especially if it s already 12 years old the cost effective decision might be to replace it all.
According to roofing construction estimating by daniel benn atcheson the best temperatures to install asphalt shingles is between 40 and 85 degrees f 4 and 26 degrees c.
If the roofing job needs to be done immediately due to leaks or wind damage lay a tarp over the damaged section of the roof or install temporary roofing.
Another positive point is that roofing material prices will be cheaper in these months.