I had a similar problem with a tube of GE caulk that had been on
the shelf for a few years. It just wouldn't "set".
If the caulk is not newly purchased, it might be a good idea
to squirt a little on a piece of cardboard to see if it will set.
The stuff can be the devil to remove depending on the
Bought a cartridge GE caulk that wouldn't cure and stayed sticky for about a
week. Looked on the tube and it turned out to be dated--*do not use after
Oct 2003* Got a new tube and it worked just fine. Didn't know that they
dated the stuff, neither did the people at Home Depot.
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