"DanG" wrote in message
...
There are many manufacturers of snow dams. The oldest current
producer is SnoJax:
http://www.snojax.com/ and http://www.nbt.ca/ and
http://www.alpinesnowguards.com/

There are metal ones that mimic old iron castings:
http://www.bronzeguard.com/bguardspc.html


Thanks! That Ventsaver on Snowjax looks like just the ticket. Simpler than
my idea too.
Appreciate the tip.