ZINSSER® Gardz® Problem Surface Sealer Blue tint that dries clear. Water base. Use on interior bare or damaged porous surfaces. Can be used on plaster, stucco, cement, uncoated wallpaper, and more. Use on smooth or textured surfaces. Dries quickly. Prevents bubbling and blistering in drywall. Low odor. Can be purchased in Quart or Gallon. Additional Information Dry to touch in 30 minutes. Wait 3 hours before applying finish coat or wallpaper. Covers approximately 350 to 450 square feet per gallon depending on surface conditions. Clean up with soap and water.
