vinyl corner bead,casing bead,angle bead,pvc casing bead,drywall products,perforated angle bead,Movement Joints Corner bead can be bending.It could bend ... reinforces exterior stucco corners with durable, straight and rust free vinyl corners. It is adjustable to any angle to ... direct sun. Features:It is using weatherable grade, lead free, virgin vinyl compounds, formulated and tested for exterior use. ...