Pre-formed 90° outside corner for KERDI waterproofing — for outward-facing corners like shower curbs, half-walls, knee walls, and bench edges.

Outside corners are challenging to waterproof because the membrane has to wrap around the outside of the angle without stretching thin or pulling away. The KERDI-KERECK outside corner is factory-formed to maintain consistent material thickness and a reliable waterproof bond around the full corner.

• Pre-formed 90° outside corner for KERDI waterproofing
• For shower curbs, benches, half-walls, and other outward corners
• Factory-formed — maintains material thickness at the corner
• Same PEVA + fleece construction — bonds with thin-set mortar

Pro Tip: Shower benches and curbs usually need outside corners. A typical built-in bench has 2-4 outside corners depending on the design. Count them during planning — forgetting one means a supply delay mid-install.