Hōseki 2K High Build Urethane Primer is a premium, very high-solids formula engineered to effortlessly fill deep sand scratches without shrinking. It delivers exceptional color holdout for all urethane finishes and provides an ideal foundation for topcoats.

This versatile 4:1 primer dries fast and can be sanded easily—whether wet or dry—without clogging the abrasive. It features a 1.5-hour pot life at 75°F and achieves a recommended film build of 2.5–4 mils DFT. It can also be seamlessly tinted with primer tints or basecoat toner.