Corner Bead Tape | GLT Products

Corner Bead Tape

Corner Bead Tape is a combination of metal and paper wallboard and is used in conjunction with a joint compound to conceal inside and outside corners of ductwork insulation. This product conforms to ASTM B 209 standards.


  • Makes clean, smooth edges on straight run and curved ducts to enhance appearance
  • Most economical and practical Corner Bead Tape for finishing any exposed square corner duct insulation
  • Strengthens insulation with rigid edge guard to protect outside corners


  • Packaged 100 Ft per roll, 5 rolls per case

Performance Specifications:

  • Will not delaminate after total immersion in water after a period of 14 days
  • Will not delaminate upon drying at 120ºF after a period of 14 days.
  • Shall not delaminate after humidfying at 90ºF - 90% R.H. after a period of 14 days


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