Early spring I noticed some spots on the drywall on the ceiling of my shop/garage. I first thought there may be a leak. We had a lot of rain, but the drywall wasn't spongy. I did think mold back then, but I'm a huge procrastinator and stupidly hoped the problem would resolve itself.
3 years ago a tree fell on the shop roof and let water in. I replaced all the wet insulation and only a small section of ceiling needed to be patched. The spots weren't under where the original leak was but now they're in a lot of places.
Anyway, fast forward to now. I haven't been in the shop much this summer and it does feel moist in there. There are many more mold spots on the ceiling. I started running the window AC in there to dry it out.
My biggest fear is that the mold has migrated from the top down but after poking many of the spots with long sticks (it's a 10' ceiling), the drywall doesn't budge so I think it's on the surface only and not on the roof side.
I was thinking step one would be to use a Swiffer mop to try to wipe off the mold. It seems to be affecting the sections of ceiling I didn't prime so it's "raw" drywall. I don't want to get it too wet but the mold has to be killed, right? Should I prime over it when I'm done? Will that kill it, too?
3 years ago a tree fell on the shop roof and let water in. I replaced all the wet insulation and only a small section of ceiling needed to be patched. The spots weren't under where the original leak was but now they're in a lot of places.
Anyway, fast forward to now. I haven't been in the shop much this summer and it does feel moist in there. There are many more mold spots on the ceiling. I started running the window AC in there to dry it out.
My biggest fear is that the mold has migrated from the top down but after poking many of the spots with long sticks (it's a 10' ceiling), the drywall doesn't budge so I think it's on the surface only and not on the roof side.
I was thinking step one would be to use a Swiffer mop to try to wipe off the mold. It seems to be affecting the sections of ceiling I didn't prime so it's "raw" drywall. I don't want to get it too wet but the mold has to be killed, right? Should I prime over it when I'm done? Will that kill it, too?
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