Check this out…

[Jasper]

* Go to Google.com and search on “Chimney Downdrafts” You’ll get several hits describing Cause and Solution to the downdraft.

* Here’s one of the hits:

http://www.northlineexpress.com/chimney-caps-for-downdrafts.asp

* Good luck… Adios… Jasper…

Jasper Castillo