Blown- in fiberglass roof insulation

Discussion in 'HVAC Heating & Cooling' started by brenaud, Sep 22, 2011.

  1. brenaud

    brenaud New Member

    Sep 22, 2011
    My condo building building is getting a new roof with blown-in fiberglass insulation. We live on the top floor and have a 3 1/2 month old baby at home. Should we be concerned about our baby's health?
  2. Dana

    Dana In the trades

    Jan 14, 2009
    If you have recessed lights that are not air-tight or other ceiling penetrations, maybe. (It's important for YOUR health too.) It kinda depends on what happens when you run the exhaust fans or other equipment- if it's pulling air through penetrations in the ceiling level, there will be micro-particles in the air. Air-sealing the ceiling can usually rectify those issues, but there are better ways/material to insulate a roof.

    Using cellulose with only borate (no sulfates) fire retardents will usually outperform open-blow fiberglass rated R-for-R, since it's insulation value is fairly constant, whereas low density f.g. loses R at the temperature extremes. But to make real recommendations would require more info about the roof structure & load ratings, etc.
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