The stop bead should be neatly mitred at internal and external corners, the stop bead will then hold the external render in place. Stop beads are generally used for the forming of straight lines wherever needed Micro-hole the build. Render stop beads are now replacing the use of render bell beads where the render meets the damp proof course as it has been found the render bell bead can form a water trap although this is a matter for personal choice and sometimes building aesthetics or regulations.

Stop Bead: Materials
Galvanized Steel, Aluminium, Stainless Steel, Zinc (99% pure zinc) Alloy

Stop Bead: Specifications