2 Responses to “Insulation Tips!”


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  1. Chuck

    Dr. Ben, does fiberglass insulation have any advantage over isocyanate foam, or vice versa?

    • Dr. Ben

      Mainly no. Fiberglass is cheaper and a little easier to handle, since it is more pliable. Iso has a higher R value, so it is better insulation for the same thickness.

      Water incursion is bad for either one, but soaked fiberglass has a better chance of drying out than Iso. Water logged Iso will never dry out.

      The main benefit of fiberglass is cost.


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