Gyp-Filler is a specialist powder product manufactured from gypsum and other active ingredients. The special formula provides good levels of adhesion to the plasterboard surface, high flexural strength and coexisting matching properties of the filler and plasterboard Key facts No cracking due to coexisting materials Good adhesion on the plasterboard surface High flexural strength Suitable for all kinds of jointing tapes on the market Application In addition to Gyp-Filler as a jointing system for drywall and concealed ceiling systems, Gyproc - Vinh Tuong suggests also using Vinh Tuong paper tape for optimal performance. Manufacturing Standards EN 13963