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  1. A

    Blown in Cellulose Insulation

    how would a diy know if it is done right? Do they own a blower door? Duct blaster? Thermal Camera? Do they have a copy of REMrate available to calculate savings? Do they spend every work day fixing air leaks in homes and knowing where to find them and the best way to seal them? I don't think...
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    Insulated attic, but still feeling cold @ wall and ceiling

    Insulated wall makes up less than 10% of the envelope in the avg. home. Voids in wall batting might make up 30% of that 10% at the most, making the total additional insulation you would be gaining would be maximum 3%. I don't think a < 3% change in envelope insulation is going to do much for the...
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    R25 Spray Insulation vs R40 Spray Insulation

    leave it, your garage shouldn't get to the extreme temperatures, and this is the floor of a bedroom you are talking about right?
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    1" blueboard over framing

    Other problems with foam, besides that it is a vapor barrier, and those are a bad idea, is that when you go to side the house it will look like the local wave pool because the foam compresses when you nail on the siding. Insulated wall makes up very little of the avg. envelope of a home...
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    blowing in fiberglass DIY

    Good choice, people answering here without answers. YES they make fiberglass for wall fill, YES it has a SUPERIOR r-rating than batts, YES it is the best bang for your buck, good choice mayhem, hope they gave you a good price.
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    Insulate an un-heated attached garage?

    99% of the homes in this country with garages, have shared attic space. There is NOTHING wrong with it being open. Also, since it is a garage, try your best to seal the door, seal any leaks you can find, this will help your insulation perform better. I have filled garage walls and insulated the...
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    Insulate an un-heated attached garage?

    oh yeah, except that could make it worse using vapor barriers. Look up the DOE and see what they say about vapor barriers......THEY ARE BAD, NOT GOOD, BAD. Anybody still using them knows nothing about const. Vapor retarders, ok, vapor barriers BAD NEWS. I will find the many photos I have of the...
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    Insulated attic, but still feeling cold @ wall and ceiling

    That is why you should blow in your attic insulation!
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    Radiant Barrier Foil Results?

    neither of your types of installation are recommended. Foil needs one side to have 1" minimum air gap to work, so your wall stuff isn't doing anything, and attic floor insulation collects dust bad, causing a 90% loss in effectiveness within the first five years, and can cause major moisture...
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    Add insulation to insulated garage ceiling?

    Don't even think about booster fans, what is wrong with you wuzzat? Booster fans are a joke, they break, you don't know it, and they are a big plug in your duct. They consume energy but do not save any! This does sound like an airflow problem, if it is insulated similarly to the rest of the...
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    Question about attic venting

    Why do people still bring up vapor barriers, NOWHERE DOES THE DOE RECOMMEND VAPOR BARRIERS. And they have nothing to do with ice damming. Don't add a mechanical fan either, sounds like fixing the short circuiting airflow did it.
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    Blown in Cellulose Insulation

    A: I install insulation for a living and this is sad, for what you paid in bags alone, you could have hired a contractor to install it for you for LESS!!!!!!!!!!!!!!!! You DIY people think you have it figured out, but this is hilarious, 6.5 hours of blowing time, WITH their "upgraded machine"...
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    Insulation Questions for Rooms and Attic

    Don't worry about asbestos unless you are turning it into a dust. People are just WAY too worried about it. If your ceiling is sealed, it doesn't matter what is in your attic, just blow over it, that 2.5 free inches of insulation. If you go with can lights, get SEALED can lights, or your...
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    Dry walled garaged ceiling cant get to to insulate

    Your last choice? Why? Don't you know any smart builders? This is THEIR first choice, 85% of builders to be honest. I have been a lisenced energy auditor, builder, hvac technician and more, and I feel sorry for anybody ignorant enough to dislike the worlds #1 insulation.
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    new "composite" wood for decks, etc.?

    If you put a composite deck next to a redwood deck, 10 out of 10 people will tell you the wood looks, smells, feels better. Composite will most likely cost more, perform worse, you must sell it? How bout hot calm days and the smell of oil (voc's) from your petro based material, or how spongy...
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    new "composite" wood for decks, etc.?

    FirTrader put it well. Redwood looks beautiful, and if you dont mind it turning silver, you never have to treat it, ever. Composites, are like plastic noodles, they smell like plastic, they always look like composite, they hold heat in, did I mention PLASTIC. Look around at the rest of the...
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    Pink fiberglass blow in insulation

    Its an old topic but i think that it needs to be addressed that unless you aggitate the loose-fill fiberglass, it wont achieve its r-value. Also a comment on fiberglass not having good r-value?? Not true, you can blow r-60 fiberglass. And dont be sure about cellulose being fireproof, its is...
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    (conditioned space) closed cell insulation on rafters.

    old dog new tricks. the guy with the highest bills in our neighborhood used that stuff......backfired, bad too for what you want to pay extra for the insulation, put that money into the efficiency of the ac. foam sounds great, but it will never pay for itself, even in cold climates, thick...
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    Pink fiberglass blow in insulation

    the feds recommend r49 for all but very southern georgia and its still r38 there, you probably average 11-12inches which is just a around the new home requirements of r30, some retailers where you get the "pink stuff" will let you borrow the machine with insulation purchase, you will need 10-12...
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