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PostPosted: Sat Jan 12, 2019 4:51 am 
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Joined: Tue Jan 08, 2019 4:14 am
Posts: 19
Location: Puebla, Mx.
Hi! maybe this is a silly question :oops:

In the past I used to have a wall dividing CR from LR and I have someone to drill a 2" hole in the wall near the corner of the room. I would use this hole to pass cables through but now my question is...

How the pros do this... how do they pass cables from one side to another? I mean... do they drill the wall?

If you could point to a resource to learn more about this I would be really thankful =)

I think a wall plate is used but how to soundproof that hole? :oops:

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PostPosted: Sat Jan 12, 2019 11:22 am 
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Joined: Wed Feb 01, 2017 6:03 pm
Posts: 1501
Location: St. Albert, Alberta, Canada
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How the pros do this... how do they pass cables from one side to another?

They would either have:

1. A fully decoupled wall system in which they would pass the cabling via a conduit. This conduit would be shaped like an S with a flexible connection in the middle. This would allow the penetrations through each leaf to be in different areas from one another and prevent flanking. Stuffing the ends with insulation and even caulking the ends of the conduit are good ways to increase the isolation. This would be troublesome to remove if new cabling was to be pulled.

2. Conduit run through concrete from room to room.

Greg

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PostPosted: Mon Jan 14, 2019 12:21 pm 
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Joined: Thu Aug 21, 2008 10:17 am
Posts: 11938
Location: Santiago, Chile
Like this:
Attachment:
Conduit-isolation-0-SML-ENH.png


Attachment:
Conduit-isolation-1b-SML-ENH.png


Conduit with a gap, wrapped with soft rubber or canvas. Bend the two parts in gentle curves, so the ends are offset by at least one stud bay. Caulk well at the wall penetrations.

- Stuart -


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