On 25/08/12 11:41, wrote:
I've found an alternative which is much simpler to use than the chimney balloon and you can take it in and out as often as you want so you get the best of all worlds.

The chimney sheep is a felt disk that blocks the flue just above the throat - simple and clever.

Google chimney sheep or type
www.chimneysheep.co.uk

If you want to advertise your product why not just do it openly? Do you
really think we were all born yesterday?