Wet or rain soaked framing lumber will not rot in a matter of days.
Roofing in the rain wet wood.
Many of the inner components of your roof such as barriers osb boards and felt are also sensitive to water damage and should not be exposed to moisture.
Water can cause problems if the lumber is allowed to stay wet for weeks and weeks so do whatever is possible to get a roof on the house.
Know what to look for.
If you see that your roof deck is wet warped or wrinkled you should not attempt to reroof.
Note that you should never shingle over bare wood like a bird s feathers shingles shed the qwater but are not watertight especially in windblown rain or melting snow conditions.
Make sure your roof is completely dry before reroofing.
Not only does this violate building codes but your roof just won t last if installed atop a wet base layer.
Homeowners often worry that the wood is ruined if a house gets wet during construction.