Insulation, Radiant and Vapor Barriers - Styrofam installed over Fiberglass

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Chips
03-31-02, 07:24 AM
I want to add additional insulation to my finished basement walls. At present these walls have fiberglass insulation between the studs, then vapour barrier, then old wood panelling. Can I secure styrofoam insulation over the panelling and then cover this new insulation with drywall panelling? I don't know if I am setting myself up for problems by having two separate moister vapour barriers by doing it this way.

josh1
04-06-02, 12:39 AM
Hi

I dont see any problem with this idea. While it would be best to have styrofoam against the concrete walls then your fiberglass that would be a hard retrofit. If your basement hasnt had any problems of water or moisture damage i think you can safely go ahead. but if there are any issues be sure to correct them before you spend alot of time and money on this


Hope this helps---Josh