On 7 Jun 2006 19:34:53 -0700, "George" wrote:


Chris W wrote:
Can anyone tell me what the official name of the putty they use to seal
the holes you run your coax through so bugs don't crawl in the wall or
water doesn't get in? I like to get all my hardware type items from
mcmaster.com. I'm sure they have it, if I just know what it is called I
can find it on their website.



--
Chris W
KE5GIX


George
WB3HUH SAYS:

Try DOW Chemical's "Great Stuff ", a "Tripple Expanding Polyurethane
Foam Sealant

I'm surprised to see Dow with such a product when it competes with Dow
Corning's compounds which are sold under the DAP as well as Dow
Corning names.

This comes in a paint spray size can and is applied withan attachable
tube.
It sticks to everything, as it goes in as a liquid then expands to fill
even large holes.
It firms up and seals tight. Cable companies around here use it. Even
works well on cinder block

The various forms of expandable foam are easier to use, and to me work
far better than the putty and self vulcanizing tape. The Silastic
RTVs (TM) work well, but may be a bear to get out.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com


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