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Attaching drywall to cement block through 2 inch foam insulation Robert.Thompson 04-01-2009
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Posted by RF on April 12, 2009, 3:36 pm
jimbobmitchell@verizon.net wrote:
>> Ok, try this, take the foam off, coat the wall with Dri-lock or sometype of
>> water proofer, frame the wall, do the wiring and what ever else between the
>> studs needs to be done, foam, then fiberglass, if you realy want some R
>> value, use 2x6 plates and studs., or used a spray foam, it will seal the
>> stud bays and is waterproof, so I have heard.
>
> Why take the foam off? No need to remove the foam that is already
> there, and if it's adhered to the block it'll more than likely be
> destroyed trying to remove it.

What happens if the house catches fire? From what
I have heard, this foam gives off toxic fumes in
fires.

Posted by on April 13, 2009, 10:43 am
> jimbobmitch...@verizon.net wrote:
> >> Ok, try this, take the foam off, coat the wall with Dri-lock or somety=
pe of
> >> water proofer, frame the wall, do the wiring and what ever else betwee=
n the
> >> studs =A0needs to be done, foam, then fiberglass, if you realy want so=
me R
> >> value, use 2x6 plates and studs., or used a spray foam, it will seal t=
he
> >> stud bays and is waterproof, so I have heard.
> > Why take the foam off? =A0No need to remove the foam that is already
> > there, and if it's adhered to the block it'll more than likely be
> > destroyed trying to remove it.
> What happens if the house catches fire? From what
> I have heard, this foam gives off toxic fumes in
> fires.

That is correct, hence the original post, covering it with drywall.

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