so far one of the major issues appears to be sealing all air gaps on the inner shell of the room, including power outlets, light fittings and especially door seals...
now, after fitting the room with a decommissioned submarine with fibreglass cladding, i wanna breathe!! shall i cut holes in my seal, or get one of those matter transporters from star trek (including, if possible, that girl with the nice legs)??
my plan for ventilation up until this apparent paradox is outlined in the following high-res artwork (not entirely to scale). i managed to find a couple of identical ventilation fans at the local demo yard for the price of a few chocolate bars =) i'll wire them in reverse so that one blows in and the other blows out.
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/|\ outside |
| \|/
+===|FAN|===| w i n d o w |===|FAN|===+
| |
| |
| |
| |
| -- |
| ---- |
| -- |
| (outlet) |
| |
| |
| |
| ++ |
_ ++++ |
++ |
door (inlet) |
_ |
| |
| |
+===========================================+
and if i'm gonna cut these two big holes in my room, why do i have to caulk up all the other half-millimetre gaps?
oh i should also mention my basic plan for the ducting was to create an insulated box isolating two sections of each duct. the ducts attach to the box by rubber seals to reduce transmission:
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__________
--------------+ +----
circular ducting box \
--------------+ +-- \
---------- | |
ceiling -------------------------------|grille|----
any comments on this ducting design, this general posting, or anything at all would be greatly appreciated.
cheers!
geoff