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.
Roofing tar temperature.
You should also not apply tar when it is overly hot as the high temperature can cause it to drip.
You ll need one that can go over 500 degrees fahrenheit.
While you can apply roofing tar at lower temperatures it will not properly set until it reaches 70 degrees.
When applying roofing tar make sure that you have at least a few consecutive days of sunshine without rain or snow so that the tar has time to cure.
Tar can flash into sudden flame if it s too hot it s basically chunky oil which does burn.
You don t want your tar to reach that number though you want it to remain at around 450 475 degrees.
The warm temperature can cause the tar to drip and make an incredible sticky mess.
Yes tar can be applied to a roof in temperatures as low as 40 degrees fahrenheit.
The ideal temperature is 70 degrees f.
However it won t properly dry and seal until the temperature is at least 70 degrees.
Additionally never apply tar when it is extremely hot say in the middle of summer.
However in extremely high temperatures roofing tar will turn into a liquid.
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.
Temperatures lower than 70f means the substance will take a long time to set.
At hotter temperatures your roofing tar may start dripping creating an unsightly difficult mess.
Roofing tar is sensitive to temperature.