- Binds and grips the surface
- May be overcoated with oil and water based paints
- Suitable for interior and exterior use
- Water based, easy clean up
- Covers and blocks stains
White Knight Prep Rite Stain Stop Binder is a high opacity sealer and primer with excellent stain suppressing and sealing qualities. As a water-based primer, clean up is easy, and the ability to be overcoated with either oil or water-based paints makes this primer perfect for a wide range of projects. Suitable for both interior and exterior use.