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3 Bumps

Blown - In type Insulation in your home--do you have it?

We are having someone come tomorrow to blow insulation up in our attic about 18" deep.
I don't know what to expect really. DH set it up over the phone and he's in SC right now.
Has anyone out there on CM had this done or known anyone who has had this done and were you or they happy with it?

We bought a 1940's house and the insulation in the attic is completely shot.
No insulation in the walls at all in these old houses.
They are coming back in 2 weeks to blow insulation in the walls but we have asbestos shingles so they have to deal with that.

Any opinions about blown-in vs other types of insulation?

 
KellyGirl_TX

Asked by KellyGirl_TX at 9:12 PM on Jun. 24, 2011 in Home & Garden

Level 23 (16,441 Credits)
This question is closed.
Answers (7)
  • House Insulation R value of Blown in Cellulose Insulation is 3.70 per inch
    The recommendation of R value varies depending on your area.
    R30 to R50 is average.
    12 inches or 1 foot is probably about what you need.
    tootoobusy

    Answer by tootoobusy at 9:29 PM on Jun. 24, 2011

  • There is something wrong. Four feet is crazy. We usually put in about 12 inches. Where are you located? You have to know what is going on before these people come tomorrow. We are in Virginia. The houses we have done this to are about 25 to 30 years old.
    tootoobusy

    Answer by tootoobusy at 9:19 PM on Jun. 24, 2011

  • We did foam insulation - on the outside of our house around the foundation (dug down about 6 inches or so and went about 2 feet above ground level), it's just about 2 inches thick and make the biggest difference in our heating bills. We did the same thing in our attic, the roof part - again about 2 inches thick from peak to bottom, and it helped more yet. I see the point of blown insulation in walls (we have the same thing) but over time it settles - not the best choice unless it's your only choice.
    Anonymous

    Answer by Anonymous at 9:45 PM on Jun. 24, 2011

  • Have it - 4 ft is too much unless they are removing all old insulation (stupid to do that). Ours is about a foot thick and our house is 30 yrs old. We had it added to our attic and under eaves spaces during a remodel.

    Asbestos shingles - Should NOT be tampered with as it takes a HAZMAT permit and don't NEED to be tampered with. Between the walls should be done from the INSIDE - the cut small disks into the top of the wall and then blow the insulation in from there.
    twinsplus2more

    Answer by twinsplus2more at 9:22 PM on Jun. 24, 2011

  • Whoops..that was a bad, bad mistake...I'm so sorry about that!!!. I think I misunderstood what DH was saying over the cell phone at some point today when he was explaining. Ok, when they remove the old insulation that is there now(which is about 50yrs old, ugh)...and blow in the new...we will have a total of 18". We live in south central TX.
    KellyGirl_TX

    Comment by KellyGirl_TX (original poster) at 10:34 PM on Jun. 24, 2011

  • Got it done today...what a difference it has made in just 1 day already, Wonderful! I can't wait to see my enerby bill go dowwwn!
    Thank You all!!!
    KellyGirl_TX

    Comment by KellyGirl_TX (original poster) at 4:27 PM on Jun. 25, 2011

  • bump

    sherribeare

    Answer by sherribeare at 12:39 AM on Jun. 25, 2011

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