Plugging big hole in side of house?


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Old 11-10-20, 12:08 PM
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Plugging big hole in side of house?

Team, where my cable comes in from street, big hole, letting in bugs and moisture. I can still my arm in this hole. Was thinking foam, but it would take a lot to fill out this cavity.

 
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Old 11-10-20, 12:19 PM
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It looks like an electrical box in your wall. You can chip away at the mortar to expose a bit more and you might be able to cover the hole with a blank cover plate. You might need to cut, sand or file some mouse holes in the cover plate for the wires. Then you can caulk any tiny gaps. Or you can use spray foam or mortar to seal up the hole. Or option #3 could be to caulk or foam between the cable box's back plate and your foundation.
 
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Old 11-10-20, 12:46 PM
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I would probably mortar in something like this. But longer. Pack mortar around it to fill up the giant hole.

Run your wires through it... Then put your plastic box over it and the nut will hold the box on. You can then caulk the pipe to seal the wires up. Fairly weatherproof too.
 
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Old 11-10-20, 02:45 PM
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Thanks! I will get a cover plate and modify it.
 
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Old 11-10-20, 03:21 PM
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I would spray foam into the hole behind the plate.
 
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Old 11-10-20, 03:22 PM
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there is nothing to hold the foam
 
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Old 11-10-20, 04:10 PM
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Foam can be used in multiple layers. With a hole like that you could shoot around the wires inside the hole. The wires would hold the foam in place. The foam would expand forming a backing for a second shot of foam.
 
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Old 11-14-20, 05:09 PM
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Are you saying this is your service entrance wiring from the pole or transformer? What country are you in?
 
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Old 11-14-20, 05:11 PM
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Don't you see the cable TV box in the photo? His profile says Arizona.
 
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Old 11-14-20, 05:13 PM
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I see the cable TV box in the 2nd picture, but the 2nd picture looks nothing like the 1st picture.
 
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Old 11-14-20, 05:24 PM
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I believe the first photo is a closeup of what it looks like behind the cable box, when the cable box has been removed. The 3 wires are exactly the same.
 
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Old 11-14-20, 06:05 PM
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I would spray foam as well.
When you spray foam, move spray foam nozzle around edges first. This will ensure the foam sticks to the surface and clear out any dirt left on the surface.
Spray foam basically is urethane adhesive and once it is sealed, it becomes water proof as well.
Do not spray too much at once as the foam will collapse on its own weight and make a big mess. Remember, these spray foam expends 3+ times.
 
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Old 11-15-20, 03:54 AM
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I also believe those are cable wires and the ground coming thru the hole and not service entrance wires. Why would the OP then show the cable box mounted to the wall if they were service entrance wires.

I also first thought they were service entrance wires but then realized what I was looking at when viewing the second picture.
 
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Old 11-15-20, 06:25 AM
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Hi, is there access on the other side? What happened to the cover for the original box, have you contacted the cable co. to see if they would supply you with a new setup?
Geo 🇺🇸
 
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Old 11-15-20, 11:19 AM
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Thank you. I took a block off plate, modified one side to fit the coax and sealed it all with duct seal compound.
 
 

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