The exception would be a flat roofed structure.
Rain after new roof.
While the completed shingles may not be in place during an unpredicted rainstorm there should be a protective layer on your roof that keeps rain from getting in.
A roof repair or even replacement can be done when it is raining.
If you hire a company that takes the right steps you will be able to enjoy your roof for years to come.
If it starts to rain or drizzle the roofers should act quickly to cover your osb most likely with a tarp.
It is not the fault of your contractor and while the delays can certainly be frustrating a contractor who attempts to install a new roof in the rain is going to be compromising the overall integrity of the installation.
Nature has a mind of its own.
Especially on new construction the materials will dry.
It is more important on remodeling as the interior may get damaged but on new construction the whole home will be drying out.
If it starts to rain a good crew will have tarps handy to protect your home just in case.
One of the roofing pros we spoke with says mist won t affect osb any more than the humidity that osb absorbs on a hot day.
But rain on the decking then roofing done as long as the roof is leak free now you should be fine.
It would have been great if they had the decking covered before it rained.
Use the right deck protection properly installed by a reputable roofing contractor who is certified in ventilation practices you will have a long lasting properly installed roof.
You might be surprised to find that the answer is yes.
In the midst of your roof installation joe hall roofing can weatherproof your roof.