Mudcat Café message #3212424 The Mudcat Café TM
Thread #139765   Message #3212424
Posted By: Kampervan
25-Aug-11 - 06:46 AM
Thread Name: Knockholt September 2011
Subject: RE: Knockholt September 2011
No! Don't heat concrete - it can explode if it has trapped moisture or air pockets in it. Firebrick, clay or most natural stone is ok, but not concrete.

K/van