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RE: IBC Deflection Limits for Brick Cladding

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That is what the Clemson study showed.  The testing of 6 panels tested both 
 with negative and positive pressures up to 3 times the design load 
indicated that there was no difference in cladding permeability whether the 
 veneer was cracked or uncracked.  I was surprised by reading the data.  As 
 a matter of fact they detected a slight reduction in permeabilty after the 
 samples cracked.  They attributed this to small debris filling up voids in 
 the veneer.  I was surprised.

Regards, Harold Sprague

> From: jgetaz(--nospam--at)
> Date: Wed, 3 Oct 2012 11:49:18 +0000
> Subject: RE: [SEAINT-SEAOSC] IBC Deflection Limits for Brick Cladding
> To: seaint-seaosc(--nospam--at)
> Harold,
> Regarding "no link between permeability of the brick veneer cladding and
> cracking." Does this mean research shows that brick veneers have the same
> permeability whether cracked or not? Thank you, Jim Getaz
> -----Original Message-----
> From: seaint-seaosc(--nospam--at) [mailto:seaint-seaosc(--nospam--at)] On
> Behalf Of Harold Sprague Sent: Tuesday, October 02, 2012 7:18 PM
> To: seaint-seaosc(--nospam--at)
> Subject: RE: [SEAINT-SEAOSC] IBC Deflection Limits for Brick Cladding
> Joel and Will,
> I just heard back from the author of this in the IBC and he confirmed 
> what you stated. Basically it is a 10 year wind repackaged to start from 
> the ultimate values. I have an article coming out soon discussing the

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