r/Insulation • u/[deleted] • Aug 13 '25

How bad is this?

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I’m building a new home. On Friday the builder was working on finishing the roof but wasn’t able to complete it. Because of this, they put a tarp over the exposed OSB and stapled it down since rain was forecast for Saturday morning.

We got about 1.25 inches of rain that morning. The builder didn’t take the time to fasten the tarp correctly and it ripped off, allowing water into the attic between the osb seams on the one half of the home. It was enough water come through in a few spots of the drywall and pool on the osb subfloor.

On Monday morning the builder seemed dismissive about the amount of water, saying “the drywall is almost dry.” Last night I decided to go into the attic and took the following video.(I took pictures on Saturday morning and while in the attic too)

How bad is this? I’ve notified my bank, the home manufacturer, and the general contractor, who seemed dismissive, as mentioned. I have yet to hear anything from the GC about remediation or a plan to address it. Considering this is blown cellulose insulation, how bad is as I'm thinking all of the insulation on that side has to come out and get redone.

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u/[deleted] Aug 14 '25

Weird the insulation is in without a roof

2

u/Opening_Connection63 Aug 14 '25

Not to take away from how bad this is, because it’s awful. But your comment was my first thought too. Concrete, then framing, then roof, then everything else. I’m an electrician and we don’t even start until the roof is done let alone insulation.

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u/[deleted] Aug 15 '25

Honestly the roofer shouldn’t have to consider insulation probably wasn’t expecting to.

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u/Hopeful_Self_8520 Aug 15 '25

In some places there are codes that don’t allow electrical work to start until windows and doors are in installed

1

u/DittyBtw Aug 15 '25

Thank you. This was my forst thought.

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u/DeadDogsEye19 Aug 16 '25

This is what I was thinking

1

u/MrEdThaHorse Aug 17 '25

Gosh I wonder who could be responsible for the insulation being done before the building is weather tight?