ALLPRO Pro-Patch Pre-Mixed Vinyl Spackling is for interior or exterior use. Use this quality spackle for finishing and filling nail holes and dents. Can be used on baseboards, ceilings, and cracks in walls. Easy to apply, tool, and sand. May be sanded once dry. Paintable within one hour with latex paint. For oil based paint or if sanding is desired, allow to dry thoroughly 2-4 hours. Exterior applications must be top-coated with quality exterior paint. Not to be used as a skim coat or as a joint sealant where excessive movement could occur. Clean up tools with soap and water.