Epdm rubber membrane roofing materials are even more temperature sensitive than asphalt composition shingles.
Rubber roofing in cold weather.
However rubber roofs can in fact be installed during cold weather if and only if you re working with a contractor who is experienced in cold weather roofing.
If shingles are applied below 40 without the specialized adhesive you risk a voided warranty.
If you re installing roofing shingles in cold weather below these temperatures your shingles may become brittle and more prone to breakage.
If winter installation is unavoidable most asphalt shingle manufacturers require a specialized adhesive manually applied to each shingle for temperatures below 40 f 4 celsius.
With that said prior to making any commitments to installing a rubber roof make sure to ask the contractor how they would approach installing a rubber roof in cold weather.
Rubber roofing in cold weather i do believe it is around 40 50 degs is what is recommended real world experience says 20 30 s other then that flash times take way longer.
In the case of rubber roofs the entire system is usually installed with several different adhesives one to glue rubber to the insulation one for the seams special seam primers and cleaners etc and every rubber roof manufacturer explicitly points out that their roof should not be installed in temps below 40 degrees.
In cold weather roofing contractors need to take special precautions when installing rubber roofs.
In cold weather this can take an hour and depending on temperature the primer may not dry at all.