Polycell Ready Mixed Filler, 1L, is a versatile filler designed for repairing cracks, holes, and imperfections in walls and ceilings. Ideal for both interior and exterior use, this smooth-textured filler dries quickly, providing a durable and seamless finish. Suitable for plaster, wood, and drywall, it offers a quick-drying solution for DIY repairs, ensuring long-lasting results with minimal effort. A lightweight filler designed to fill deep gaps in one application without sagging or slumping - even on ceilings. Millions of microscopic glass beads give no-sag characteristics. Can be over-painted in as little as 15 minutes. Super smooth, no need to sand. Will not shrink or crack. Not structural. For use both inside and outside.