It's called "Handi Foam"
http://www.pondsolutions.com/repair-kits.htm
Hope that helps
"REBEL JOE" wrote in message
...
Can some one give me the brand name and company that make the black
foam
you use to seal waterfalls. I'm re-doing mine to make it more real.
The
hardware manager at wally world where I work said he would order
some
but need name brand and company who makes it.



http://community.webtv.net/rebeljoe/POND