Sealing Tips 1. Begin with a clean, dry porous surface.
2. Read product package directions carefully.
Extra Strenght Natural Look Penetrating Sealer Extra strength formula for longer lasting protection against water, dirt & mildew stains on most concrete & masonry surfaces. Extra Strength Penetrating sealer forms a strong, water repellent barrier within 24 hours of application without changing the natural appearance of the surface. Use indoors or outdoors. More >>