Patching large holes in your wall can be a difficult project for home DIYers. With the Duck® Umbrella Patch®, you can get professional results in less the time and frustration. Its patented expansion umbrella-style support creates a rigid surface for when it’s time to spackle your drywall or plaster. The end result? The patch is supported from behind, repairs in minutes and then simply covered with drywall compound or spackle.