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Question: How do we stop blown-in ceiling insulation from blowing all over our attic?


Question by : How do we stop blown-in ceiling insulation from blowing all over our attic?
Our home is in a windy area, and the roof is vented through vent shingles (no soffit vents). The developer elected to use blown-in ceiling insulation, but the wind constantly blows it around the attic. It’s a real respiratory hazard up there. What is the proper method of controlling blown-in ceiling insulation in such conditions?

Best answer:

Answer by ms manners
I think its rather strange that you have that much air blowing around your attic, but why not just throw blanket insulation on top of the existing insulation to keep it in place?

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2 Responses to Question: How do we stop blown-in ceiling insulation from blowing all over our attic?

  1. Major

    With blown in insulation , it really should have been roof venting or soffit venting with batt insulation at the outside walls. You could put batt insulation over the blown in or (depending on how strong the wind is) you might try using something inside the attic to divert the wind toward the roof as it comes in.
    there is also the option of installing roof vents or soffit vents and plugging the existing vents. You could also use something outside in front of the vents, maybe 1″ away so air can get in but it’ll stop the strong wind.
    It would be good to see a picture of the house , but those are some ideas that may work for you.
    At any rate do not put poly ( vapor barrier ) up there , it always has to be applied to the warm side.
    Hope that helps you, Good luck.

  2. Bill

    The easiest method is to just lay down plywood over the top of the joists. If there is that much wind/air movement up there, I would recommend a vapor barrier first, then the plywood.

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