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Fill this hole? Brick

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[OP]
Deal Addict
Aug 22, 2009
1728 posts
1239 upvotes

Fill this hole? Brick

I had some wiring pulled from the basement to the outside for a hot tub. Where they came out was right where there was a partial brick and it ended up breaking the brick in half.

I attached a picture of what it looks like.

You can see it unless you look under the box, so I’m
Not concerned with the look, but curious if water or small insects can maybe get in.

If so, how would you suggest I fill the hole/gap?

Spray foam?
Duct seal putty?

Other?


I’m not sure if it’s necessary, but I want to be on the safe side
Images
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17 replies
Deal Fanatic
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Oct 16, 2008
9968 posts
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Vaughan
expanding spray foam, cover with outdoor caulk
...
Deal Addict
Nov 6, 2014
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Chaulking!
Deal Addict
Jul 22, 2009
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Brampton
cheapest and best is mixing some mortar and filling it in
Deal Guru
Feb 9, 2006
12915 posts
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Brampton
If it were me I'd shut it down loosen the box and fix it with mortar and then "caulk" the immediate area around the conduit and brick work with Elastomer. Then reattach the box.

If you want to go the quick and dirty route just elastomer.

Elastomer it's my new go to vs Silicone.
[OP]
Deal Addict
Aug 22, 2009
1728 posts
1239 upvotes
Thanks a lot for the replies!

But wouldn’t it all agree it needs to be filled to be on the safe side?
Deal Addict
Jul 22, 2009
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Brampton
Easto wrote: Thanks a lot for the replies!

But wouldn’t it all agree it needs to be filled to be on the safe side?
Nah it's more apperance then safety, there is nothing dangerous it's just for looks
Deal Guru
Feb 9, 2006
12915 posts
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Brampton
Easto wrote: Thanks a lot for the replies!

But wouldn’t it all agree it needs to be filled to be on the safe side?
Filling it isn't just asthetics. It will prevent water from getting in to the cracks and freezing and further spalling and breaking up the mortar and brick work.

It's something I gotta go around and do this year(fixing bad mortar joints) but it's just too damn hot.
Deal Guru
Jan 25, 2007
11965 posts
7129 upvotes
Paris
Electricians putty is the only thing made for this. Caulking will look like a dogs butthole.

Electricians putty Is about the colour of the box and comes as almost a brick. It’s weather proof and stays soft if needed to be removed. Looks like C4 in the movies, and I suspect that’s what movie c4 is. It’s maybe 8 or 9 bucks.

When we use it, we literally call it c4
Deal Guru
Feb 9, 2006
12915 posts
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Brampton
Jerico wrote: Electricians putty is the only thing made for this. Caulking will look like a dogs butthole.

Electricians putty Is about the colour of the box and comes as almost a brick. It’s weather proof and stays soft if needed to be removed. Looks like C4 in the movies, and I suspect that’s what movie c4 is. It’s maybe 8 or 9 bucks.

When we use it, we literally call it c4
Aka Duct Seal compound?
Isn't that stuff just mastic?
Deal Fanatic
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Aug 29, 2001
5886 posts
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rural ontario
From doh experiences - i've done the mistake of spray foam on a exterior hole and it does not age well and probably absorbs water. Caulking large cavities did not age well either.

I found some putty at home depot and its been great on the spots I've used it. I'm not sure if its "electrician" or "plumber" putty.
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[OP]
Deal Addict
Aug 22, 2009
1728 posts
1239 upvotes
I got almost a full brick of duct seal putty in there.

So far it seems to be staying in there. Also put a small bead along the top of the box to hopefully deter water from running back behind the box.

There is also a bit of a roof overhang there so hopefully it stays rather dry
Deal Guru
Jan 25, 2007
11965 posts
7129 upvotes
Paris
Easto wrote: I got almost a full brick of duct seal putty in there.

So far it seems to be staying in there. Also put a small bead along the top of the box to hopefully deter water from running back behind the box.

There is also a bit of a roof overhang there so hopefully it stays rather dry
You could easily run it on the sides too
Penalty Box
Jun 24, 2015
7214 posts
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you can fill the hole with cement yes, but you can also unscrew that panel and lower it and screw it back in so it covers the cement hole that was patched so the eyesore is gone. hope this helps
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[OP]
Deal Addict
Aug 22, 2009
1728 posts
1239 upvotes
This should do the trick.

It’s not much of an eye sore because it’s 1” off the ground. No one will really look under there. I was mostly concerned about insects and water.
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Deal Guru
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Jan 11, 2004
10123 posts
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Toronto
cristianosham wrote: Just smear some mortar in there.
Just use mortar, then caulk entire box, then spray water proofing in a can, around.
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