IBJammin & Inspector D:
After doing some searching...I found a post to add my similar problem....not quite as bad as IBJ, at least that I have found yet...
1964 Brick veneer home in coastal SC, originally had a 1 car attached garage...which was converted into a living room & washroom in 1970-ish, by sheetrocking all walls in living room and adding large (4'x4') single pane window where garage door was, and matching the rest of the brick for where the garage door was.
Floor was raised in living room off of slab by 2x6 and subfloor, then carpet (have not pulled up subfloor yet to check for vapor barrier...floor in washroom is still on slab..
ISSUE: We are in the process of converting the washroom (4'6"x12') into a 1/2 bath and mudroom/washroom...I have begun pulling the old 1/4" plywood off of the exterior walls, to discover that there is no insulation in these walls (and I expect no insulation in the living room walls either). Construction seems to be, from outside in;
Brick and Morter
15 lb felt paper, overlaped top piece over bottom
NO EXTERIOR SHEATHING
2x4 wall studs
1/2" drywall (in living room only)
How do I unsulate these walls and still maintain the airspace needed for the bick/walls to breathe to avoid IBJammin's problem in the future...
the only advice/solution i have recieved thus far is
1. cut 1" rigid foamboard to fit in between exterior studs (R-4/5)
2. attach sheets of rigid foamboard on over walls/studs (R-4/5)
3. cover foamboard with drywall/finish wall (R-?)