I have a 50 year old stucco/block wall house that is undergone various
degrees of upgrade in Ontario, Canada.
Many of the exterior walls are plaster will very nice, ornate plaster
mouldings. Having just redone the kitchen, it's clear that not only is
there little in the way of insulation, but the framing is 1x2 against
the cement. So we have stucco on the outside, then a block wall, which
appears to be cemented smooth on the interior.
We are also in the process of removing a baseboard hot water heating
system. Once this is complete, the plaster walls will need to be
repaired, and new baseboard trim added.
The question becomes, what is the best approach to repairing the walls
and insulating, while preserving the plaster mouldings?
1. Rip down plaster. Screw the mouldings. Re-frame, insulate, drywall.
2. Rip down a few feet of plaster. Insulate behind. Drywall.
3. Just fix the area where the baseboard was - #2 isn't going to help
enough to make a difference.
4. Leave a few feet of wall at the top, re-frame, insulate and drywall
the lower 90%. Join the walls by.... <your suggestion here>
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