Gyproc Joint Filler is a gypsum-based setting material for bulk and secondary filling of plasterboard joints. Gyproc Joint Filler is a low shrinkage product for hand application, with up to 90 minutes working time. Used in stages 1 and 2 of the traditional 3-stage jointing process. Conforms to EN 13963.British Gypsum suggest the following-Nominal Weight per bag = 12.5kg Coverage per bag = Depends on application Setting time = 120 minutes
