The featured topcoat for Quantum’s signature Marine Finish System, this hybrid two-component polyurethane topcoat brings aerospace quality finish to heavy duty and decorative marine craft. DIYers & pros alike can achieve professional results by brush, roller, or spray. Quantum 99 finishes have unmatched durability and gloss, plus superior stain and weather resistance. Unlike other topside systems, Quantum 99 finishes can be repaired by wet sanding and buffing. Ultra-high gloss and gloss clarity (DOI). Can be polished after application to remove dust, bugs and imperfections. Apply by spray, brush or roller Mix ratio: brush 2:1, spray 1:1. Please Note: Some colors are not available for roll/brush application including Moon Dust, Castle Tan, Desert Sand, San Mateo Wheat, Marlin Blue, Sky Blue, Stars and Stripes Blue, and Whaler Blue.