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Old June 8th 06, 03:34 AM posted to alt.ham-radio,rec.radio.amateur.antenna
George
 
Posts: n/a
Default sealing coax holes in outside wall


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"
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



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