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Q & A: Insulation and air sealing time. Old house. Plaster walls. Empty air spaces. Blow in exterior walls or leave?


Question by -=MadHauser=-: Insulation and air sealing time. Old house. Plaster walls. Empty air spaces. Blow in exterior walls or leave?
Insulated attic. Currently doing basement and crawl space. I’m doing it now because my federal Government is offering grants for it. Originally I was just planning on doing the attic and basement as that’s where the majority of heat is being lost. But am attracted to the idea of blowing cellulose into the exterior walls of the frat and second floor as my house would then be insulated at every surface except the basement floor. Currently there is merely an air space in those walls. It’s an old house with plaster walls and likely many small cracks and holes where moisture could find it’s way in from the interior. In my research I’ve read contradicting articles about whether this is a good idea or not. Some warn of moisture accumulating inside the cavities since I don’t have a moisture barrier in there creating problems such as rot, termites, etc. Is it better to forget about the exterior walls and leave them as an empty air space or should I go ahead and get em done anyway?

Best answer:

Answer by Smokey da Bear
Read this:

bobyapp.com/blog/2009/06/myths-about-insulating-old-house-walls

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One Response to Q & A: Insulation and air sealing time. Old house. Plaster walls. Empty air spaces. Blow in exterior walls or leave?

  1. Morrow's unlimited

    I would do it if I were you it will help with insulating

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