From: Dominic-Luc Webb 
To: CSC 
cc: Atm 
Reply-To: Dominic-Luc Webb 


On Thu, 19 Jun 2003, CSC wrote:

>
> I saw an article in Architectural Digest years ago about concrete technique.
> Seems some very attractive counter tops, sinks and other structures were
> being made with tinted concrete, and concrete with texture/color metal
> imbedded, like copper, brass, stainless.  The concrete surface was ground
> with a hand grinder and diamond wheel (readily available from masonry
> suppliers) and sealed with clear stuff.  I have wanted to try this.  A warm
> tone like a soft brown with some machine shop shavings and scrap copper wire
> stirred in would be interesting.
> Colin

As I mentioned earlier, I have been mixing in paper with some interesting
results. I have not, however, seen any cosmetic improvements. I have used
broken glass with some interesting effects, but I ended up with very
inhomogeneous concrete. I used it for grinding and this is now my favorite
grinding tool: concrete with embedded (brokwn) glass for coarse grinding
and then
ceramic tiles when I get my curve and have gotten to about 400 grit. My
mirrors are F/1.0 to F/1.5, so this makes some sense. The tiles are so thin
that I would grind right through if I used them from the onset.

Dominic

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