Unfortunately, once slate starts delaminating there is not much that can be done. The delamination is caused by salts trapped between the layers. Any fix will only be temporary.
Dr. Fred
On Tue, Oct 7, 2008 at 8:34 PM, Baird M. Standish
<bairdstandish@comcast.net> wrote:
Hello Everyone.
Here's a question concerning slate. I have a client who has a slate walk of approximately 5 feet
by 5 feet in front of the back door. The slate has been damaged/dried out by years of water and
the top layer is delaminating from the underlying base. the top layer is a few milimeters thick.
The top layer has about a one foot wide section already missing leaving a ring and depression in
the middle, with the edges of the ring ready to crumble or tear away. I thought it would perhaps
respond to some form of epoxy squeezed under the edges of the top layer and then sealing the
whole top with some form of sealant appropriate for outdoor use. Any suggestions or
experience?
Thanks
Baird
--
Baird M. Standish
Managing Member
Facility Specialists, LLC
1616 Walnut Street, Suite 1122
phone:215-732-7505
fax: 215-546-9160
email: bstandish@facspecs.com
www.facspecs.com
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Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneprosolutions.com