JLC ??DECEMBER 1992
Unless they've
worked with it a few
times, contractors
are often nervous
about using epoxy to
repair concrete foundation
cracks. Epoxy
involves unfamiliar
chemical components
that must be
precisely measured,
mixed, and installed. Any mistakes
and the material may never
set up. Even properly mixed, epoxy
can set up too fast on warm days,
so you have to work quickly. And
once the epoxy is in the wall, it's
there for good: You can't go back
and dig it out without taking the
adjoining wall sections out with it.
In the last few years, manufacturers
have taken some of the
worry out of epoxy injection by
selling the material in premeasured
cartridges, many of which
can be used with a caulking gun.
Some companies