House of Kolor KD3001 Black Kustom DTS Foundation Surface Sealer is a premium Direct-to-Substrate (DTS) automotive sealer formulated to create a smooth, uniform base before applying basecoats, candies, pearls, and custom finishes. Its black foundation enhances color depth and coverage, particularly for dark and vibrant paint colors, while promoting excellent adhesion to properly prepared metal, fiberglass, body filler, and existing finishes. Ideal for collision repair, vehicle restoration, and custom automotive paint applications, KD3001 helps reduce topcoat material usage while delivering long-lasting durability and show-quality results.