John Stumbles wrote:
On Sun, 30 Mar 2008 12:09:05 +0100, The Natural Philosopher wrote:

I definitely get hot spots even buried in 4" of screed.

What's the spacing?


Two squares on a rebar grid.

Its not noticeable in use, but it sure showed up when I was putting
levelling compound down.

The hot spots you can feel now are under the sofa :-)