RipBead® Muddable J-Bead (TMJB)

Used to finish drywall edges when dissimilar materials and door and window encasements meet gypsum

Vinyl RipBead® Muddable J-Bead is designed to cover the raw edges of drywall when butting up to other materials such as masonry, glass, door frames and window frames.


Features a 1/4" removable leg that acts as a guide for the taping knife and a protective mask for joint compound application.



ASTM & Code Standards

  • ASTM C1047 - Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
  • ASTM D1784 - Standard Specification for Rigid Poly Vinyl Chloride (PVC) Compounds and Chlorinated Poly Vinyl Chloride (CPVC) Compounds
  • 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

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

Product Code Description
TMJB50, TMJB58 Rip-Bead® Muddable J-Bead

ClarkDietrich SubmittalPro®

Submittal sheets for the exact product you're looking for can be created by using ClarkDietrich's SubmittalPro® Product Submittal System.