Take the guesswork out of wall repairs with Gorilla High Performance Wall Repair Color Change. This innovative spackling features a dry-time indicator that goes from purple to white, so you’ll know exactly when it’s ready to sand or paint-making repairs faster and easier. Its lightweight, no-sag formula spreads smoothly on small or large holes, leaving a durable, shrink- and crack-proof finish that paints like drywall. Ideal for walls, ceilings, cracks, and holes, Gorilla Wall Repair provides strong, long-lasting results for any project-indoors or out.**For outdoor use, coat with exterior paint. Not recommended for continuous water submersion.DIRECTIONS:1) Clean and dry surface of dirt, dust and foreign material. Mix gently before use.2) Apply with putty knife.3) Once product turns white, it is dry and can be sanded, if desired.Do not apply when temperatures are below 40°F.STORAGE:Press lid on tightly and store in cool, dry location.