Zinsser Ready Patch Spackling & Patching Compound 3.78 LtrGet the strength of plaster and the workability of spackling paste with Rust Oleum Zinsser Ready Patch Professional Formula Spackling & Patching Compound. This full bodied product is durable enough for your most heavy duty repairs, indoors or out. Can be painted when dry to the touch Dries fast, cures rock hard outperforms vinyl spackling Full bodied for heavy duty interior exterior repairs Shrink resistant won't sag or crack like drywall mud Sticks