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Old 05-21-2013, 05:27 PM   #1
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How to seal a wall penetration


I need some advice on how to seal around a 1.25" conduit coming through a poured concrete wall.

The conduit is below grade about 6" and has been leaking around it, not through it. It was sealed with pure silicone, but that apparently has not worked completely.

Any suggestions will be greatly appreciated.

Thanks.

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Old 05-21-2013, 05:36 PM   #2
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How to seal a wall penetration


Now all the silicone has to go.
Use hydrolic cement.

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Old 05-22-2013, 06:02 AM   #3
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How to seal a wall penetration


Thank you. I looked it up and that looks perfect.

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Old 05-22-2013, 06:05 AM   #4
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How to seal a wall penetration


Linkseals are the king for new installations, but hydraulic cement is your next best solution...
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Old 05-22-2013, 06:06 AM   #5
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How to seal a wall penetration


Why anyone comes in below grade is beyond me.
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Old 05-22-2013, 06:13 AM   #6
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Originally Posted by k_buz View Post
Why anyone comes in below grade is beyond me.
Aesthetics, Lb's look like **** on the outside of a building.
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Old 05-22-2013, 06:55 AM   #7
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Originally Posted by stickboy1375

Aesthetics, Lb's look like **** on the outside of a building.
LB vs leaks in a basement wall...I'll take the LB every time.
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Old 05-22-2013, 07:13 AM   #8
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LB vs leaks in a basement wall...I'll take the LB every time.
It's all in the installation, I've personally never had an issue.
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Old 05-24-2013, 04:55 PM   #9
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How to seal a wall penetration


The hydraulic cement worked great. Thank you!

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