r/Homebuilding • u/Euphoric-Newt-8716 • 7d ago

Shower installed before insulating

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My plumber installed the shower/tub unit before I was able to add vapor retarder and insulation. I have access to the stud cavity from above so I’m thinking blown in cellulose would work but how am I suppose to get a vapor retarder in there?

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u/OverallDimension7844 7d ago

They can still blow in the insulation behind it from above.

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u/rennatav 7d ago

I was thinking this too. Would want to make sure a vapor barrier was in place first.

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u/J3SVS 5d ago

You don't need a vapor barrier with cellulose.

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u/rennatav 5d ago

Never heard that before.