3-Way Overlap 3/4" Bullnose Corner Cap (M384)

Use to finish three-way bullnose 90° intersections

3-way 3/4" overlap corner caps provide the ideal solution to finish corners quickly and efficiently at three-way 90° bullnose intersections.


Easy to install, this rust-proof and dent resistant vinyl cap solves many potential finishing problems.  Added tabs for enhanced corner alignment.

  • Substantially reduces labor.
  • No need for special corner bead applications.
  • Easy to install.
  • Works with metal and vinyl bullnose corner beads.

ASTM & Code Standards

  • ASTM C1047 - Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
  • ASTM D3678 - Standard Specification for Rigid Poly Vinyl Chloride (PVC) Interior Profile Extrusions
  • Installation: ASTM C840 - Standard Specification for Application and Finishing of Gypsum Board
  • SDS & Product Certification Information


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

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Product Code Description
M384 3/4" Bullnose 3-Way Overlap Corner Cap

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