Cob: Metal Roofing

[Amanda Peck]

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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