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Insulation for Roofing Deck

  • Transcript

    LESLIE: Alright, now we’ve got Ron who needs some help with insulation. What can we do for you today?
     
    RON: Well, I was – I’ve had radiant barrier type stuff – it’s called E-Barrier from Sherwin Williams – sprayed on my roof decking. And I have r38 insulation and I was just wondering if it would be cost-effective to add anymore insulation to the r38 factor I have already.
     
    TOM: It sounds like you’ve got enough.
     
    RON: OK.
     
    TOM: So r38, you have, what about – well, let me think about this. You’ve got, what, about …
     
    RON: Fifteen-and-a-half inches.
     
    TOM: Fifteen?
     
    RON: Yeah, 15 inches of …
     
    TOM: Is it batt or is it blown-in?
     
    RON: It’s blown-in.
     
    TOM: Oh, it’s blown-in. Well …
     
    RON: Fiberglass.
     
    TOM: And typically you want 19 inches of batt or 22 inches of blown-in; so you probably, if you’ve got the room, could add a little bit more blown-in and still get some return on investment.
     
    RON: OK. And one other question, though. How about foam insulation? How does that stack up to the other type; the blown-in?
     
    TOM: Well, at this point, you’re already committed on the fiberglass blown-in, so I would not switch to a foam product. But if you were starting from scratch, it’s a good product.
     
    RON: OK.
     
    TOM: I’m talking about the expandable products like an isonene product; typically used more so in new construction than a remodeling application. But they’re good products, they do a good job and they also seal out drafts as well as insulate at the same time.
     
    RON: Alrighty. Well, I appreciate your time.
     
    TOM: You’re welcome, Ron. Thanks so much for calling us at 888-MONEY-PIT.

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