4 An exterior wall construction consists of the following: Two layers of Fibreboard, 12.
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4 An exterior wall construction consists of the following:

Two layers of Fibreboard, 12.5 mm thick on either

side of wood studs 92 mm thick, with

the air space between filled with mineral-wool batts

The environmental conditions are: Inside the room: 40% rh and 70 deg. F; Outside: 90%

rh and 10 Deg. F.

Show if condensation is possible and design a suitable vapour barrier to prevent

condensation if needed. (Location and type of vapour barrier is entirely in your hands).

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