You mix a little water with it and stir it up to form the putty. Not sure exactly how long you have, but I had plenty of time to fill the two seems. Once hard the excess sanded off smooth as a babies butt.

The color matches our bar wall almost perfectly. Sure looks nicer than the originial green color when my dad purchased it back in the 70's.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85