Be careful, the foam expands 140% and may crush your cable or distort
the wall if no means of releasing the expansion is provided. Otherwise I
would think it would be ok to use. Of course making changes will be
> I was wondering if expanding insulating foam is safe to use around
> coax cables. I remodeling my basement and can cut out about 100'
> of coax by going through an exterior wall. Problem is how do I seal
> up the hole. I put some coax cables in a can and filled it with
> Great Stuff expanding foam for about a week and the cable jacket
> looks wet but see no major degradation. I do know that caulking
> compunds that smell like vineger will run the cable over time. Since
> I do not desire to tear up the drywall I would like to make sure I do
> it right the first time.
> Please respond directly to me since I am not currently subscribed to
> this reflector.
> Thanks for all your help in advance!!
> Chuck Gooden
> Rockford, Illinois
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