Straight Flex
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Strait-Flex
comes in multiple widths but the original is 2-1/16 in wide x 100 ft. Perfect-90 Flexible Paper ...
A Drywall Strait-Flex (often just Strait-Flex) is a versatile, paper-faced composite drywall corner bead and joint tape used to create sharp, strong inside, outside, and off-angle corners, especially on tricky areas like bay windows or vaulted ceilings, requiring less mud and offering superior durability and less fuzzing than traditional methods. It's applied with joint compound, creates perfect lines, resists cracking, and allows for immediate second-coat application.