Polycell Multi Purpose Polyfilla is ready mixed to a smooth, creamy consistency. It is a versatile filler making it suitable for a variety of jobs and also features special binders that give excellent adhesion and prevent shrinkage or cracking. Ideal filler for making quick, minor repairs to interior surfaces. Can be used straight from the tube. Designed to fill deep holes and gaps in just one application Will not shrink, crack or sag Can be painted over in as little as 15 minutes Super smooth, so no need to sand. Polycell Polyfilla One Fill is a lightweight filler designed to fill deep gaps in one application without sagging or slumping - even on ceilings. Will not shrink or crack. Can be overpainted in as little as 15 minutes. Suitable for interior and exterior use.