L-Bead performs like conventional L-Bead, but in roll form. L-Bead is produced for drywall thickness of 3/8 in., 1/2 in. (standard), 5/8 in., and 3/4 in. State size when ordering. Ideal for window returns, sky lights and wall edges. Manufactured from Strait-Flex's patented composite material, it is extremely strong and will not fuzz-up when sanding. To apply, measure and cut to desired length, then fold in half with the printed sides facing each other. Apply all-purpose compound to corner. Press L-Bead into the wet compound, adjust to create a straight line, and wipe down with a taping knife. A second coat can be applied immediately. Let dry. Apply a light skim coat, let dry, and sand.