I guess I can’t complain too much because we had a month of no rain & I got quite a bit done, but just as I was getting to the point of closing the roof in (still have 1 row of plywood left to have it completely covered up & papered), it starts raining. and raining & raining some more & if the forcasts are correct, I have another solid week of rain to come. To make matters worse, I just noticed some dark spots on one of the sheathing panels (I’m hoping it will clear up once I get it covered & out of the rain)
My inclination is to get up on the roof when it’s raining less hard & finish (don’t mind getting wet as long as it’s not a downpour). My only concern is if the sheathing will dry underneath the felt.
As far as the rest of the framing (the entire 2nd floor is drenched as is a good section of the first floor), I am concerned about rot – since the weather is cooler, it won’t dry out as fast as it did in July or August – plus comfy temps means comfy for fungus.
What do you guys usually do in this situation? My thought is to stick a torch heater in there with a box fan or two for circulation & once it’s dry maybe treat suspect areas (such as sole plates) with some Boracare or some such fungicide.
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Here it's pretty reliably dry from May through September. I watched the weather reports and had big tarps and sash cord ready. We did get a fluke rainstorm the end of July when the roof was open, and I was scrambling up there with tarps at night. (I came up 6" short of one gable and had to do a bunch of it over.)
I got it tarped before the attic got too wet, so we were able to pull the tarps the next day and let it air dry with no mold problem. It was dried in well before the next rain.
-- J.S.