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Hole in concrete block wall

3K views 4 replies 3 participants last post by  jjrbus 
#1 ·
I have a concrete block house in which the top row of block is not block but poured concrete. There is a name for that and I cannot remember it, lintel???

I want to put a 12X12 hole one row down from the top. That would be the poured concrete, one row of 8 inch block and directly under that the top of the 12 inch hole. Framing it in seems like a waste of time. But thought I better ask the experts.
JIm
 
#3 ·
I want to put a 12X12 inch hole for an AC vent through the 8 inch block wall. The top of the hole will be 1 row of block under the bond beam. So going down from top, bond beam, 8 inch block and then 12X12 hole. My question is should I make the hole larger and frame it in?? The block is also stuccoed on both sides.

Thanks for the response. JIm
 
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