In article ,
Stan Brown wrote:

Isn't wax a bad idea? I could be mistaken, but if you do this at all
frequently I think you're at increased risk for a chimney fire.

I use a piece of waxed cardboard the size of your hand and it burns very
hot . I clean the chimney frequently too. Never had a problem. Yet.

--
when you believe the only tool you have is a hammer.
All problems look like nails.