25th February 2014, 03:29 PM
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Join Date: Jan 1970
Posts: 4,367
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I'd actually investigated getting large, used concrete drain pipes to the potential property and then setting them into a raised mound.
I designed a maze and a chimney flu so the air would circulate but be filtered.
But it worked out too costly, i.e. more than building an actual house 
The idea being you walk in and then to the right and then down and to the left.
No need for a fire door. Smoke would be channeled before it got to phase one and then any reminants channeled in phase 2.
I know it can work, as I tested it on a scale model, but it's not viable. |