MyFloridaCode.com

Tue May 26 13:04:42 EDT 2009

The intent of ASTM C-1063 is to place them over the lath and attach them with tie wire(remember the lath must be cut behind the joint). This is because the document contemplates "open" framing or suspended ceilings whereby the sections can independently float as panels. The document contains an additional caveat "unless otherwise specified." Accordingly, many others specify that they be attached to the wall then the lath lapped over each leg of the vertical joint. Most however do the correct thing and specify them completely out of the wall plane since the lath is structurally attached to the framing substrate it is impossible for the area between them to act an "independent panel" for expansion/contraction.

R.J.Koning - Director
Contractors Institute
rjkoning at contractorsinstitute.com
8301 Joliet Street
Hudson, Fl 34667
727-863-5147

-----Original Message-----
From: codetalk-bounces at myfloridacode.com [mailto:codetalk-bounces at myfloridacode.com] On Behalf Of Marquisconst at aol.com
Sent: Tuesday, May 26, 2009 12:52 PM
To: codetalk at myfloridacode.com
Subject: [Florida Code Talk] Stucco lath / expasion joints

Does the code require expansion joints to be installed over or under the  
wire lath? or is there no requirement?

Chris Kavala
Marquis Const. & Dev. Inc. _www.southernsips.com_ 
(http://www.southernsips.com/) 
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