Sotech launches Optima Interlock Plank: a high-performance interlocking pressed plank system.

Innovation continues at Sotech with the launch of the Optima Interlock Plank. Designed for flexibility, it’s a versatile solution suitable for all sectors and all types of builds.

From commercial to residential to school projects, the Optima Interlock Plank system provides a clean finish thanks to the recessed or hairline joints.

Adapting to modern and traditional aesthetics, The mechanically fixed interlocking return secret-fix system offers exceptional versatility, making it ideal for both internal and external use.

Optima Interlock Plank is available in a wide range of finishes designed to replicate the beauty of natural materials while offering the durability and performance of metal. From pre-coated options that emulate the warmth and texture of wood, to PPC finishes that convincingly replicate the look of natural stone, the system provides architects and designers with the freedom to achieve striking, authentic aesthetics without compromising on longevity or ease of maintenance.

Tested, Certified, and Built to Last

Optima Interlock Plank has been rigorously tested to meet CWCT Sequence B standards and certified by UL Solutions for both horizontal and vertical applications. Sotech’s continued efforts in testing and innovation combined for over 40 years make us a trusted choice.

Key Benefits:

Secret Fix Installation: Interlocking joints create a smooth uniform appearance with no exposed fixings
Design versatility: Horizontal, vertical or diagonal installation
Lightweight yet Rigid: Easy to install, minimising structural load while maintaining durability
No Adhesives: Uses mechanical fixing methods, guaranteeing true A1 or A2 fire-rated performance
Superior weather resistance: Designed to withstand the elements

Engineered for Speed, Safety, and Compliance

Installation is fast, efficient, and safe using self-drilling, concealed mechanical fixings, eliminating the need for adhesives while delivering a clean, modern aesthetic.