How To Patch and Repair Walls with Red Devil, ONETIME® Lightweight Spackling. To brighten your home or apartment, try covering those dull walls and ceilings with paint or colorful wallcovering materials. Both are fast, easy methods of redecorating that just about every homeowner or apartment dweller can accomplish with minimal effort. But before you proceed, carefully examine the surface to be painted for possible cracks, chips and holes that may ruin the desired effect. RED DEVIL® ONETIME® Lightweight Spackling will help you make the repairs to the surface quickly and easily, and will give you a truly professional job. Benefits Of Red Devil ONETIME Lightweight Spackling Lightweight formula. Only one application needed. Will not crack or shrink. Needs no sanding...dries smooth. Paintable in minutes. Use indoors or out. Contains no asbestos. Adheres well to plaster, wallboard, wood and stucco.