MyFloridaCode.com

[Florida Code Talk] Hardi Plank on CBS
Joe Lstiburek joe at buildingscience.com
Fri Apr 17 15:14:38 EDT 2009


Don, you are correct.  No need to be humble about it.  It is my 
understanding that Hardie has done the testing and have the 
approvals.  But I have been known to be wrong - just ask my ex.   I 
have seen several projects in the Tampa area with direct applied 
Hardie.  These were multi-family done under engineering and 
architectural seal and that might have been the path to local code 
acceptance.

And let me once again state for the record, I prefer to see it the 
"old fashioned way" - on furring.  I am only pointing out that Hardie 
does allow/recommend this method of attachment in their literature. 
They had a demo wall with this approach at the IBS when it was last 
held in Orlando.

>LINDA AND JOE,
>
>9B-72 FAC,SPECIFICALLY 9B-72.010 (31) 2C. REQUIRES THAT SIDING BE TESTED
>AND RECEIVE STATE OF FLORIDA PRODUCT APPROVAL. I WOULD REQUEST THAT IT
>BE SPECIFICALLY INSTALLED AS PER THE CURRENT STATE OF FLORIDA PRODUCT
>APPROVAL.
>
>IMHO,
>
>DON JOHNSON
>SENIOR PLANS EXAMINER
>CITY OF BOYNTON BEACH
>
>-----Original Message-----
>From: codetalk-bounces at myfloridacode.com
>[mailto:codetalk-bounces at myfloridacode.com] On Behalf Of Joe Lstiburek
>Sent: Friday, April 17, 2009 2:39 PM
>To: Linda Pease Cramer
>Cc: codetalk at myfloridacode.com
>Subject: Re: [Florida Code Talk] Hardi Plank on CBS
>
>Hardie can be direct applied to blocks.  This is according to
>Hardie's own instructions.  The structural issues are pretty basic.
>As part of this application Hardie also recommends (and this is more
>than a good idea, but a necessity) applying a water resistive coating
>on the blocks.  In other words, painting the block (or coating the
>block) with a liquid closed (semi vapor open) coating.
>
>I prefer to install the Hardie on furring, not for structural reasons
>- more for water control reasons.  But it is a preference, not a
>requirement.
>
>
>>Good afternoon all........Hope things are looking up for those of us
>>in the biz........Now my question of the day... I have heard from a
>>couple of Contractors within the past weel that are bidding on a
>>project I am working on that they DO NOT have to fur out the block
>>ext walls of this home in order to put the hardi plank on !!!! Since
>>when ?? I have spec. on the plans for furring as per  hardi plank
>>instructions and these guys are saying NOPE they dont have to do it
>>and they can direct apply....Any thoughts Please and Thanks
>>
>>Diva
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