I have a container of pot hole filler for my driveway that is almost
I haven't used it in about 8 years and it has become hard and granular
like sugar that has gone hard.
Is there a secret way to soften it so it can be still used, or should
I just throw it out?
No, just as there is no secret way to make hardened
glue fresh and usable to stick things together again...
Nor as much as people would like to be able to do
reanimate dried paint, etc... Welcome to the world
of industrial chemistry...
The chemical reaction which hardens the pot hole
filler has taken place and can not be undone...
Properly dispose of it and obtain a new supply...
Thanks Evan for helping out!
I was going to try fred's suggestion (the sun) but now it seems it
would be futile.
I will follow your advice.
A few more questions.
re: the chemical reaction you mentioned that hardens the filler.
When does it begin and how long does it last?
Does it begin when the stuff is made? When the container is opened?
How long before the stuff becomes unusable? Shelf-life, before after
If it is asphalt, it will melt with heat. Maybe original patch material
had solvent in it to keep it soft but assuming no chemistry to cure it,
it is still most likely to be heat soften-able. Asphalt can be recycled
The kind of heat required to do anything with
cured asphalt would melt the plastic can it
is contained in and make a mess...
It is neither worth the effort nor will the product
be useful if he were able to get it softened...
With actual asphalt from a paving plant you might
have a point but not with the stuff which comes
in the plastic cans for driveway repairs, those
are loaded with all kinds of stabilizers which
begin to react once exposed to air...
That stuff is buy only what you need to do an
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