I, too, have had reasonably good experience with these. Use some ear
protection, they are loud, especially if you are working in an enclosed
space like a basement. They sell different charges with different amounts
of power, for going into different materials. There is a sort of a chart
on the back of some assortment packages, but some experimentation is
needed. I wouldn't worry about them pulling out. Mine seem to be in there
really well. Besides, for this application, there will be no pulling
force, really just a shear force if someone pushes on the wall. I wouldn't
count on these to keep the house on the foundation in an earthquake. For
that you need bolts and threads.
-Steve
At 11:16 PM 8/5/00 -0400, Scott Hall wrote:
>b) a rifle-cartridge-powered nail gun. this seemed to use .22 cal
>cartridges to fire nails into concrete. same concern here. the nails
>didn't look very substantial, although they were long(er). wouldn't a
>nail in concrete be easy to just pull out? I keep thinking I need
>something with threads here.
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