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-   -   Cut CMU on the long dimension (http://www.diychatroom.com/f105/cut-cmu-long-dimension-164772/)

jrepp44 11-26-2012 11:48 AM

Cut CMU on the long dimension
 
I have found a lot of articles on cutting a CMU cross wise but not the long direction. Any advise would be welcome on the correct procedure and tools.
Thanks.

Tscarborough 11-26-2012 02:51 PM

It takes a 20" saw to cut through in one pass. What are you trying to do?

jrepp44 11-26-2012 03:29 PM

I want to cut the CUM in half the long way - don't necessarily need to do it in one pass.

stadry 11-26-2012 04:56 PM

aren't 4" grinders & diamond blades wonderful ?

dakzaag 11-26-2012 04:58 PM

You can put a 7 1/4" diamond blade in a skil saw and cut both sides leaving a small connection in the middle that will break by simply tapping the block.

Very dusty, and it will burn up your saw eventually, but it does work.

jomama45 11-26-2012 08:02 PM

I'm not trying to sound smart, but if you have a lot of them, why not just buy the correct width right away? The reason I ask is because we can get a multitude of width, all readily available here 1", 1 5/8", 2 5/8", 3 5/8", 4 5/8", etc.....

Tscarborough 11-26-2012 08:27 PM

Yeah, just buy 4x8x16 CMU and be done with it.

jrepp44 11-27-2012 09:13 AM

Thanks - Never knew odd sizes existed (too much relying on the big box stores) - called a local masonry supplier (Acme Brick) - they have them in stock :)

tony.g 11-27-2012 01:46 PM

But we still don't know why you want to cut them in half!

jrepp44 11-28-2012 08:44 AM

I am building a new CMU column that needs to be the same height as an existing wall, if I use a full height CMU for the top row the new column will be 4" to high.

Tscarborough 11-28-2012 09:00 AM

Then you do not want a 4x8x16, you want an 8x4x16 half-hi.

jomama45 11-29-2012 10:37 PM

Quote:

Originally Posted by Tscarborough (Post 1062257)
Then you do not want a 4x8x16, you want an 8x4x16 half-hi.

Is it an 8" half course solid, or a 4" solid??????? :laughing::laughing:

stadry 11-30-2012 04:52 AM

the world has certainly changed, hasn't it ? :huh:


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