Better yet, build your beds out of the ties, then use them as one side
of a concrete form - build forms inside the beds out of plywood to
contain your concrete. Mix batches of SakCrete concrete (good stuff
and has plenty of portland in it for strength) in a wheelbarrow,
dumping each into the forms until you have created a nice non-toxic
liner inside the rrtie structure. No expensive at all and near
permanent.
L.F.London ICQ#27930345 lflondon@mindspring.com
www.ibiblio.org/ecolandtech london@ibiblio.org
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