On 6/7/13 2:28 PM, Steve Jones wrote:
I have put towers on granite for microwave sites. The foundation term is a
"rock anchor", so you need the kind of concrete epoxy approved for rock
anchors. Probably need to specify a tensile strength as well, which you
should have noted on the certified foundation plans.
73,
Steve
N6SJ
You might also see the term "chemical anchor".
Simpson Strongtie is one brand.
I think Hilti sells one too
Pattex is another
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