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Old 06-17-2013, 08:55 PM   #1
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Help filling chimney hole in foundation


Need some advice on filling a hole in my poured foundation. We are switching to gas and removed the oil chimney.

The hole is 10" diameter and approx 8" deep. Vertical wall.
My questions are:
What type of concrete should I buy? I was leaning towards the quickrete stuff but would hydraulic be better?
Do I need to apply a bonding agent to the existing wall?
Should I fill the hole with a couple of bricks and then fill it up with the concrete?
I already attached and sealed the outside with a piece of plywood (until I get the concrete in) can I leave it there and fill the hole. Then remove it after?
Do I need to put oil or Vaseline or something on it so the concrete doesn't stick to it?

Thanks in advance!
BTW love this forum...long time lurker.

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Old 06-17-2013, 08:57 PM   #2
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Help filling chimney hole in foundation


Here is a pic of my hole. Lol
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Help filling chimney hole in foundation-image-1776267728.jpg  


Last edited by Squints; 06-17-2013 at 09:02 PM.
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Old 06-17-2013, 08:58 PM   #3
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Help filling chimney hole in foundation


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Last edited by Squints; 06-17-2013 at 09:01 PM.
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Old 06-17-2013, 11:59 PM   #4
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Help filling chimney hole in foundation


Leave the plywood in place and use hydrolic cement. Once it sets up remove the plywood and do the outside.
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