[TowerTalk] Control and coax cable removal question

[Grant Saviers]

Try brake cleaner spray, maybe two different brands if needed.

Grant KZ1W

On 10/14/2020 11:19, Al Kozakiewicz wrote:
> Why remove them?
> 
> Al
> AB2ZY
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of bemeier at bellsouth.net
> Sent: Wednesday, October 14, 2020 2:15 PM
> To: towertalk at contesting.com
> Subject: [TowerTalk] Control and coax cable removal question
> 
> In the process of reducing my tower / antenna farm there are now several
> control and coax cables that I would like to remove.  The problem here is
> they are fed from the outside of the house to the inside through a PVC
> conduit which I sealed with spray foam.  (Was a great idea at the time.  No
> critters, no hot/cold air, etc. for 14 years.)  However, I can't get the
> cables out because the foam is holding them firm.  In addition to the
> outside / inside conduit, I also have one between the crawl space and a
> closet used to route the cables to the ham shack.   The length of each of
> these foam dams is roughly 6".
> 
>   
> 
> I have tried a long screwdriver and got some out.  I also tried different
> diameter crochet hooks but they did virtually nothing.  I don't have any
> other mechanical ideas that won't damage the insulation.
> 
>   
> 
> Does anyone know some type of a solvent (or other method) that would
> dissolve the foam without hurting the insulation on the control / coax
> cables?
> 
>   
> 
> Thanks and 73,
> 
> Bruce N1LN
> 
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