I have zero experience using mastic ... personally use a Crafco crack sealant melter/applicator at my asphalt maintenance business Wis-Coat and the process of applying OJ material with that ...

Mastic sealant is one option that can be used in ... want to use a melting machine that is designed to heat, agitate and apply the material, such as the Crafco Patcher I or Patcher II.