[TheForge] Re: WAAAAAAAAY OT (while we're talking about buildings and heat)

[Peter Fels And Phoebe Palmer]

JRF:
I recall reading about some research where they were hearing 
common garden type sulfur in 55 gal drums to 250 or so F.Then 
adding plaster of paris ( that had been exposed to air so that it 
had absorbed some moisture without setting up solid) mixing it 
in, in handfuls.  Then they stirred  hard.The moisture in the 
plaster caused the molten sulfur to foam up and they poured it 
into a pad to go below the cement slab. It cooled and set pretty 
quick into a stiff, insulating, waterproof insulating foam...PRF

Justin Fellenz wrote:
> Another shop build question: does anyone in a colder climate have
> experience with insulated concrete floors? I'm building my shop this
> spring in Kamloops, BC, where it gets a little cold--not like Maine,
> but cold. Someobody suggested I lay 2 1/2" of polystyrene hard foam
> under the slab. It's about another 4000 CAD to do it...I'm wndering if
> it's worth the money and whether it decreases the structural stability
> of the slab.
> 
> Another person suggested radiant heat (insulation with or without).
> That's about another 5k and if it breaks it would be a nightmare to
> fix. But people say it's pretty cool to have nice warm floors. Thoughts
> on that welcome as well.
> 
> Thanks,
> 
> JRF
> 
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