Rhombus (pattern 2​/​120) is a Reckli SELECT formliner in the functional surface family. The functional formliner creates a smooth concrete surface with 4-millimeter wide fittings that are aligned in a rhombus pattern. Cast in RECKLI PUR-Elastomer with a 65 °C working temperature limit and a sheet weight of 12 kg​/​m². Available in C 100 series; maximum sheet format up to 2900 × 1400 mm. Reusable for up to 100 castings; suited to precast and in-situ exposed concrete on facades, walls and feature surfaces. Resulting concrete reveal achieves slip-resistance class R13. A FormlinerECO (ISCC PLUS) variant with up to 90% renewable PUR is available on request.