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RE: CMU Spec

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FWIW, all you need to do is look to Part 2 of ACI 530.1 and it lists all the various ASTM specs that are "appropriate" for masonry.  If you don't know what one of them are, then you can go to and do a search for them.
In the end, for most masonry uses, ASTM C90 is CMU and ASTM C216 is brick that is used in typical brick and block systems (I believe that is still might be C62 now).  All the others are typically more specialized materials that are not generally used, but could come up on specific projects.
Adrian, MI
-----Original Message-----
From: Jnapd(--nospam--at) [mailto:Jnapd(--nospam--at)]
Sent: Thursday, May 22, 2008 10:21 PM
To: seaint(--nospam--at)
Subject: Re: CMU Spec

Well, Scott your info is highly welcomed.....some of the plan check companies, in order to justify their time and cost do get quite picky about the references we put on the plans. I wish more contractors would read and ask questions before installing what was on sale at Home Depot; and ask us to justify their ignorance.
It doesn't matter if it is a School or a House what they try to get by with is amazing.
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA

Get trade secrets for amazing burgers. Watch "Cooking with Tyler Florence" on AOL Food.