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Started By
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Anyone going back with spray foam insulation?
Posted on 8/23/16 at 7:20 am
Posted on 8/23/16 at 7:20 am
should people in lower lying areas seriously consider going back with it? Isn't it pretty mold and moisture resistant?
5
Posted on 8/23/16 at 7:21 am to gsvar2004
Only if it's closed cell, if you use open cell, if it gets wet, you'll be pulling that stuff out.
Posted on 8/23/16 at 7:22 am to Boston911
I'm talking about the stuff that looks like gap filler.
Posted on 8/23/16 at 7:23 am to Boston911
quote:
Only if it's closed cell
And if you're gonna spend the money on that you may as well go back with greenboard drywall
Posted on 8/23/16 at 7:26 am to gsvar2004
If I'm not mistaken you have to change or tweak your air conditioning setup as well to accommodate the foam. Someone will chime in with the details or you can Google it.
Posted on 8/23/16 at 8:12 am to gsvar2004
We had to pull my buddies out last week - about 2' - the bottom 10" was soaked holding water
Posted on 8/23/16 at 8:32 am to gsvar2004
Just because it is closed cell doesnt mean that it is mindew or mold resistant.
You need to make sure that the closed cell insulation you are looking at has a mold preventative in it such as MicroBan.
But to be straight up, there really isnt a type of 'insulation' that exists that can sustain being submerged in crappy water inside of a wall and not need to be changed out afterwards.
You need to make sure that the closed cell insulation you are looking at has a mold preventative in it such as MicroBan.
But to be straight up, there really isnt a type of 'insulation' that exists that can sustain being submerged in crappy water inside of a wall and not need to be changed out afterwards.
This post was edited on 8/23/16 at 8:36 am
Posted on 8/23/16 at 8:34 am to StinkDog12
Stink!! 
Posted on 8/23/16 at 8:35 am to Coater
Long time no see, hey Pal?
Posted on 8/23/16 at 8:35 am to gsvar2004
Even if you use closed cell, it will form a vapor barrier next to the OSB and then you would have another vapor barrier on the other side of the OSB with the house wrap. IMHO, that would take forever for those wall studs and OSB to dry and you would defiantly have mold and possible rot.
Posted on 8/23/16 at 10:08 am to gsvar2004
Yeah, they are all a form of polyurethane foam, there's low density (open cell) and medium/high density (closed cell)
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