[Greenbuilding] renewing a cast iron tub

[Kat]

I'm betting that the metal tub expansion-contraction rate would blow 
those little tiles off faster than you could say "hot water."  Would an 
isolation membrane take care of that?

-Kat

RT wrote:
>
> I think that I'd be looking at using mosaic (ie small, so as to easily 
> conform to the small radius curved surfaces of the tub) tiles (either 
> glass or fully vitrified porcelain (and such-like) to provide a 
> surface that would likely last for a long, long time and withstand all 
> manner of abuse.
>
> The only thing that I'm not sure about is whether or not an isolation 
> membrane would be necessary and there's only one way to find out -- 
> experiment.
>
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