Galvanized thin coat stop bead is manufactured to BSEN 10327-DX51D+275. It is used to create a thin coat finish on all internal plasterboard and gypsum surfaces. This galvanised thin coat bead provides protection of thin coat plaster at edges and reveals helping to create a barrier resistant to chipping, cracking and impact damage. They are also sometimes used as an arch or bulls' eye beading as they are very flexible they are perforated all along to allow for ease of fixing.