LIQUISEAL Liquid Flashing Concrete & Masonry Primer is a quick-curing, high-bonding primer used with acceptable prepared concrete and masonry substrates and Carlisle's LIQUISEAL Liquid Flashing Resin. LIQUISEAL Liquid Flashing Concrete & Masonry Primer is a solvent-free, two-part, cold-applied liquid epoxy resin. Each two-component work pack includes Component A (base resin) and Component B (hardener).