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Posted by mwlogs on January 25, 2007, 9:00 pm
Twenty years ago, the 1980's they probably would have been insulating
outside walls in most areas. That was after the big energy crisis of the
70's and most areas were writing codes that required some level of
insulation. If you place is older, perhaps built in the 1960's or before,
than it is entirely likely that it has no insulation in the walls. Before
poking holes in the wall, try pulling off a couple outlet covers and see
what you can see around them or perhaps thru a hole in the back of the box.
What you describe with the tight fitting door and no air return could very
well lead to condensation build up on the exterior walls, even if they were
insulated. Keep in mind that condensation forms when moist warmer air comes
in contact with a cooler surface. Try leaving the door open a crack, ensure
that all vents in the room are open and clear of all furniture or anything
that might restrict the air flow. If you thermostat has a 'fan' setting,
you might leave it set to 'on' to help circulate the air even when the heat
is not on.
> Live in Ottawa, Ontario Canada.
>
> Was there a time (20 or so years ago), when it was normal not to
> isnulate an exterior wall? Or use poor insulation (our electrical
> closet in the basement has a little bit of foam board against the wall.
> I don't know if this is indicative of the rest of the home though. I
> am planning on poking a hole in the wall).
>
>
> Living in a Condo (row home, side walls adjoin to neighbors home, front
> and back are exterior) where the bedroom wall seems to get extremely
> cold depending on the temperature outside. At one time we've even seen
> what appeared to be frost building up on the wall. (however, no mold
> has been seen).
>
> The other bit I'm wondering about is this was 2 bedrooms at one time,
> and the dividing wall was removed to develop a grand master bedroom.
> The floors were hardwood, and are now carpeted with french doors.
> (very nice looking, I must say)
>
> The doors meet snuggly to the carpet, and I'm wondering since there is
> no return air vent would this prevent sufficient air flow to keep the
> room warm enough to prevent "cold wall syndrom".
>
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