Strait-Flex® from ClarkDietrich
Strait-Flex® Outside 90 3 inx9' Corner
Item Number: OS3009
Strait-Flex® Outside 90 3 inx9' Corner
STRAIT-FLEX® OS-300 For 90° outside corners. OS-300’s smooth nose creates low-fill outside corners that use up to 50% less joint compound and provide superior adhesion when compared with other corner beads. Composite structural backing quickly produces a durable and straight corner, every time.


  • 3” paper-faced composite outside corner bead
  • Nose resists dents and damage
  • Paper will not fuzz-up during finish sanding
  • 9-ft stick