Geoplas offer UPVC plastic render beads in five different styles – angle, bellcast, expansion, stop and thin coat angle. Geoplas plastic render bellcast bead is designed to provide a neat and protective straight edge and are usually positioned just above the damp proof course. They are available in 10mm, 16mm and 19mm. Geoplas plastic render expansion bead is designed to prevent cracking to the render caused by thermal expansion and compression. They are available in 6mm, 10mm and 15mm. Geoplas plastic render stop bead is designed to provide a neat and straight vertical stop to the render and is usually used around window and door frames. They are available in 3mm, 6mm, 10mm, 13mm, 15mm and 19mm.