hob wrote:
> > wrote in message
> oups.com...
> >
> > pamjd wrote:
> > > I line both myoven and outdoor grill with unglazed red ceramic type
> > > floor tiles I get at Home depot for 35 cents each on sale. I think
> > > they are 8" squire. I leave them on the bottom rack of my oven all the
> > > time. They work great.
> >
> > A few people have said this. I'll add that I tried some red-orange,
> > unglazed ceramic tiles and they cracked apart in the middle of the
> > first use. Is there any further distinction I need to get ones that
> > won't fall apart so readily?
>
I have only had them crack in the grill when I use very high heat
repeatedly.

I have never had them crack in kitchen oven.