Definitions for "PRIME COAT"
A coating of asphalt oil either cutback or specialized emulsion, used to seal the sub-base and/or base material and enhance bonding to the asphalt course.
First coat of paint applied to wood or metal to prime the surface for succeeding coats.
A sealer coat of adhesive or tile sealant that keeps the substrate from drawing moisture out of the tile adhesive.
Primer.