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Can You Smooth Silicone After It Dries? [Solved]
You can sand caulk after it dries, as long as the caulk is not made of silicone. You should never sand caulk when it is wet, as it will ruin the integrity of the filling work and you will have to start over. In general, wet surfaces should never be directly exposed to sandpaper.
Can You Sand Caulking if It’s Dry? - Spencer Colgan
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Can You Silicone Over Existing Silicone?
If you
How To Clean Up A Poor Caulking Job
Kung Fu Maintenance demonstrates