Cob: Metal Roofing

[Darel Henman]

No one's going to be using their roof as an electrical conductor.  
Steel or any metal alone will not create a magetic field.   Unless you
use magnets as your roof!

Darel

--------------------

Amanda Peck wrote:
> 
> Persistent rumors that various forms of metal--and especially that
> conducting electricity are bad for you.
> 
> There has been a little bit of work on electric blankets (consumer reports
> disrecommended the old kind for pregnant women), and maybe on living near
> the really high-voltage lines coming out of the power plants.
> 
> Some of the Amish (Hook-and Eye Dutch in the part of the country where my
> mother grew up) believe that all house wiring, connected to the grid or not,
> is really bad for one.
> 
> I gather that you can get instruments to measure this, but whether it's
> really BAD for you is at this stage up to you to decide.  Some of the water
> catchment people say that galvanized iron isn't especially good for that
> purpose--too much zinc.  But all other things being equal, I'm not sure that
> painted (let alone raw) aluminum would be any better.
> 
> And see the previous reply by Joe Skeesick
> 
> ..........
> Jenny (with the rest of us) wants to know about this:
> 
> Hi there, I read in 'The Hand Sculpted House' , that there are concerns that
> steel roofing may cause some kind of electromagnetic field in the building.
> It doesn't mention if this has actually been studied or is speculative. Does
> anyone know what the risks are, if any, of using steel roofing?
> Thanks,
> Jenny Walker
> 
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