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[Cob] corn storage binsShannon Dealy dealy at deatech.com
Mon Dec 3 13:42:43 PST 2007
On Mon, 3 Dec 2007, charles medic wrote: > > does anyone one this list have any knowledge of building inside of > corrugated corn/grain storage bins? > i would like to straw bale the inside and i'm concerned about > condensation between the metal and the straw You pretty much garantee rot in an bale structure which does not have a highly breathable outer skin, and mold on the interior or inside the walls of any structure (regardless of building material) which does not have both a breathable inner and outer skin. Many approaches have been used (with varying success) to prevent these problems when using impermeable skins, but they usually come down to alot of air exchange with the outside which is good from a health perspective but bad from a heating/cooling perspective, and while they may prevent significant mold inside the house are still are unlikely to prevent bale rot. If I were going to build with bales using a metal shell, I would either build the bale structure inside and small enough to avoid physical contact with the metal shell (allowing airflow between them), or wrap the outside of the shell in bales. The second case can still have problems with moisture build up in the bales, particularly in humid climates, but the problem should be slower than the interior case, and there is at least an impermeable barrier between your living space and the moldy/rotting bales should problems occur. Cob and other building materials can have some of these same issues, it's just that they have a much higher tolerance for moisture than straw bales do. Shannon C. Dealy | DeaTech Research Inc. dealy at deatech.com | - Custom Software Development - | Embedded Systems, Real-time, Device Drivers Phone: (800) 467-5820 | Networking, Scientific & Engineering Applications or: (541) 929-4089 | www.deatech.com
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