VINYL CONTROL JOINT WITH EMBEDDABLE FLANGE DESIGN - ClarkDietrich E-Flange embeddable stucco profiles provide 80% more embedment than standard "flat flange" profiles. E-Flange allows for more stucco mix to flow through the flange, providing a more thorough and consistent embedment. The unique E-Flange shape also allows for quick and easy tying of lath and other accessories.