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Re: Stone Veneer

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Another repair method although there are many, may be all thread 6mm
stainless bar cut to size using twin pack epoxy resin.
For further information call John Olyar Hilti Eng Tel:281 798 8643
Or myself Alan Pettingale Tel:972 422 5438 Ext106

Brent Koch wrote:
> Ray,
> One method of repair might be to mechanically anchors the tiles back to the
> wall with stainless steel pins and epoxy. The pins I have seen were about
> 3/16" diameter x about 3" long set in a 1/4" diameter drillhole. The number
> of pins per tile depends on the tile size.
> The application I observed was for re-setting some granite cladding which
> had popped loose from some precast concrete facia panels. I'm not sure if
> slate lends itself to this same procedure.
> Smaller tiles might me able to be re-adhered. You should find out what
> material was used for the original setting. But, you might be having a
> problem with the difference in thermal expansion characterisitics of stone
> and concrete.
> I would contact Ray Cano of Cano Architectural Concrete Repair in Ontario,
> CA. (909)627-5477.  Their crews are the best I know of for restoration work
> in concrete and stone and can perform work all over the U.S.
> Brent R. Koch, P.E.
> Livermore, CA
> mailto:kochengr(--nospam--at)
> -----Original Message-----
> From: RShreenan(--nospam--at) [mailto:RShreenan(--nospam--at)]
> Sent: Saturday, June 03, 2000 11:00
> To: SEAINT(--nospam--at)
> Subject: Stone Veneer
> Hi, Sport Fans:  I have been asked to inspect a masonry and concrete wall
> building, 2 story, with loose slate veneer tiles, 1-1/4" thick on the
> exterior walls.  I was told that some of the veneer tiles are falling from
> the building  It seems that the veneer may be slate pavers that were meant
> to
> be installed on level grade.  The building is in hot, dry Las Vegas.  I know
> nothing about the proper installation of this product, but I told the owners
> I would try to find out if there was a product or method of re-fastening the
> loose tiles and stabilizing the remaning tiles.  They were not wire tied to
> the walls.  I was told that they were set with some type of adhesive mortar.
> This may be an exercise in futility if the slate is delaminating with a thin
> layer of stone adhered to the building.
> I know this is a non-structural issue, but it never ceases to amaze me, the
> wealth of knowledge that many of the members on this list server have.
> I know that brick veneer can be tested for bed joint shear strength with a
> push test.  Is there a similar test for in-place stone veneer?
> Thanks in advance for any info you folks may have regarding this type of
> stone veneer.
> Ray Shreenan, S.E.