TECHNICAL DATA
ENGINEERED FOR
PERFORMANCE.
Every LESNA system is tested to European standards. Below you'll find performance values, certifications and downloadable datasheets for our complete range of windows and doors.
Performance at a glance
Reference values across our PVC, aluminum and wooden systems.
STANDARDS
Tested & certified
All systems comply with EN standards for windows and external pedestrian doorsets, including EN 14351-1 CE marking.
Downloads
Technical datasheets, installation guides and certificates.