Strait-Flex Mid-Flex 30M (Mid-Flex 300)

Qty: Single Roll
Price including GST:
Sale price$93.97



Strait-Flex Mid-Flex is a 75mm muddalbe, paper-faced composite, flexible corner bead that adjusts to any angle to create perfect inside and outside 90 and off-angle corners.

The composite structural backing provides strength for durability and impact resistance. The heavy-weight, diamond punched paper provides maximum adhesion for an even lay-down of the paper edge and reduced edge cracking. Strait-Flex Mid-Flex is packaged in 30m rolls that can be cut to the desired length in the field to minimize scrap loss.

  • Memory-free hinge produces straight corners and perfect angles
  • Smooth nose provides a square, low profile drywall knives will not catch, snag or puncture center hinge
  • Composite-fiber structural backing provides strength and embeds into compound to provide a superior bond to the drywall surface
  • Diamond-punched paper edging provides maximum adhesion no cracks, no call backs
  • Paper surface is pretreated to accept paint, finishing compound is not required over the laminated area  uses the half the compound vs. standard corner bead
  • Paper will not fuzz-up during finish sanding like paper and mesh tapes
  • Installs with all-purpose joint compound. No special tools or fasteners are needed. Lightweight compound may be used to finish.


  • Great for vaulted, coffered and tray ceilings, bay windows.
  • Outside corners where common gaps in drywall are present.
  • Outside corners where a large fill or straightening is required, no back filling needed.

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