NEOFIX JOINT COMPOUND is a ready to use filler for use as a patching and jointing compound for gypsum boards. It gives a high quality, even surface for painting. Gypsum Jointing Compound is specially manufactured for the painter to repair and touch up interior surface, both old and new, prior to painting. Gypsum Jointing Compound fills joints and hairline cracks etc. Unlike conventional fillers NEOFIX JOINT COMPOUND has plastic properties, does not flake off, is permanent and retains its adhesion.