Normal delays and the rain you indicated will not affect the structural properties of the panels.
Wet roof decking during construction.
My builder says this is normal and i still get my 10 year warranty.
Most roofs rafters are set 2 feet apart and the plywood decking should be a.
Doing so goes against the building codes in most communities and the shingles won t adhere.
Installing shingles over wet decking also will void any warranty you might have from the shingle manufacturer.
Our osb is rated exposure 1 and that means that it will withstand normal delays in construction.
Remember dried in means that the building shell has been completed.
When a roof deck is exposed to water and absorbs enough to swell it should be allowed to dry out before any roofing material is applied to avoid trapping moisture under the roof material that could cause the edges to swell or buckle.
Generally plywood roof decking that has gotten wet and had the shingles applied over it if allowed to dry.
1 all the exterior walls of the house along with house wrap or some other moisture barrier 2 the roof sheathing with an appropriate water proof roof covering and 3 coverings for any openings including window or doors openings.
Certainly it would have been better to have covered the roof with a tarp or roofing felt before it rained.
Shingle roofs are installed every day over wood decking that has been wet by rain.
September 17 2020 firestone building products llc fsbp an industry leader providing trusted.
Osb like all other wood will expand.
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.
A dried in house includes.
The roof is partially framed and every piece of lumber and all the flat osb is soaked.
Wet or rain soaked framing lumber will not rot in a matter of days.