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E-Flange™ Casing Bead

Designed to terminate stucco and plaster against doors, windows and dissimilar materials

Improves stucco embedment by more than 80% versus standard "flat flange" products.


Application(s): Stucco

Designed to terminate stucco and plaster against doors, windows and dissimilar materials.

The E-Flange profile provides 80% more stucco embedment than traditional flat flange profiles. E-Flange allows for more stucco mix to flow through the flange, providing for more thorough and consistent embedment. The unique E-Flange shape also allows for quick and easy tying of lath and other accessories.

Alternative Products:

Product Data & Ordering Information

Product code Ground (A) Flange (B) Pcs./Box
6658EF 5/8" 1-3/4" 75
6675EF 3/4" 75
6678EF 7/8" 75
66100EF 1" 75
  • Available with weep holes.
  • Lengths: Custom lengths upon request.
  • Colors: Available in white (tan/brown/gray/black available upon request)
  • For Casing Beads w/ grounds less than 5/8", the Flat Flange Profile - Casing Bead / Plaster Stop (1/4", 3/8" & 1/2" Ground) is available
  • U.S. Patent Number D842,496


  • Attach to substrate through E-Flange per ASTM C1063.
  • Caulk all intersections, butt joints, ends and corners at time of installation.

Downloadable CAD details are available in the Resources tab

ClarkDietrich Embedment Video White Paper

Stucco embedment is critical to providing enduring cladding performance on a building’s plaster/stucco walls. Embedment is a function of application whereby the lathing material is covered by the plaster. The greater the level of embedment, the less likely the wall system is to be faced with cracking, moisture penetration, rusting, and other issues. This white paper will discuss several considerations around different attributes of lathing products and their effect on embedment.

Code Approvals & Performance Standards

  • ASTM C926 Standard Specification for Application of Portland Cement - Based Plaster
  • ASTM C1063 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster
  • ASTM C1330 Standard Specification for Cylindrical Sealant Backing for Use with Cold Liquid-Applied Sealants
  • ASTM C1780 Standard Practice for Installation Methods for Cement-based Adhered Masonry Veneer
  • ASTM C1861 Standard Specification for Lathing and Furring Accessories, and Fasteners, for Interior and Exterior Portland Cement-Based Plaster
  • ASTM D1784 Standard Classification System and Basis for Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds
  • ASTM D4216 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) and Related PVC and Chlorinated Poly(Vinyl Chloride) (CPVC) Building Products Compounds
  • ASTM E331 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference
  • SDS Vinyl Corp PVC Compounds


All stored materials shall be kept dry.  Materials shall be stacked off the ground, supported on a level platform, and protected from the weather.


PRoduct submittal SHeets

Click the below Product Code to view Submittal/Tech Datasheet.

Product Code Description
6658EF, 6675EF, 6678EF, 66100EF E-Flange™ Bandmaker™ Casing Bead

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