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Posted by hallerb@aol.com on June 1, 2006, 9:32 am
No wrote:
> floatee@gmail.com wrote:
> > i need help evaluating a proposal i recently got to insulate the
> > converted attic on my one-story bungalow-type house, as well as the
> > walls of the house itself. the footprint of the place is 31' by 42'.
> > I live in the northeast. Here's what the contractor gave me:
> > remove/dispose of existing knee-wall insulation: $337
> > install r-13 fiberglass knee-wall insulation: 771
> > air seal knee-wall and floor: 125
> > insulate & lock 4 knee-wall doors: 187
> > air-seal sills, open bays, pipes, wires in & attic
> > & basement: 250
> > Dense pack cellulose r-19, 2nd floor slopes: 625
> > dense pack cellulose r-11, 2nd floor gable walls: 245
> > dense pack cellulose r-11, 1rst floor walls: 1221
> > overhead, profit, insurance: 673
> > total cost: 4,434
> >
> > what do you think of this? are there any questions i can answer
> > that'll help you help me evaluate the proposal? and is it normal for a
> > contractor to break out "overhead, profit, insurance" the way this
> > fellow has?
> >
> > one thing that concerns me is that the attic has absolutely ZERO
> > ventilation -- ie no vents anywhere -- and this contractor swears that
> > by his method of sealing up the converted space, i don't need any.
> > does that make sense?
> >
> > thanks for any help you can give. i'm rather lost at sea in all this.
> >
> Sounds really high to me plus ventilation is a good idea if its possible
> in this space. At least something.
>
> I finished the second floor of a cape cod style house, added 700 sq ft
> of living space, a 40 foot shed dormer on back and 6' doghouse style
> dormers on front. My space was a little smaller than yours. Because I
> had some weird angles and odd spaces due to the dormers and knee walls I
> was considering that spray foam. I brought a contractor in. He
> recommended batts, like your considering and and gave me several good
> reasons. I said thanks for your time and advice. The batts are on sale
> at home cheapo and I'll just do it myself. He insisted on giving me an
> estimate. His estimate was, drum roll please............ $800 and some
> dollars. This was about 5 years ago. My materials alone from the borg
> was $800. His estimate was an installed price. It was a no brainer, I
> hired him on the spot. 3 guys, half day and the job was done. For me to
> do it myself it would have taken 6plus trips to the store just for the
> materials.
>
> If they are close enough for you its http://www.synergyinsulation.com/
>
> Inviato da X-Privat.Org - Registrazione gratuita
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Spray foam is likely a better choice as it minimizes air infiltration
and is its own vapor barrier while its R value is higher.
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