Dutemann are German engineered & British made. Utilising similar high tolerance aluminium frames as Schuco these bi fold doors are very capable of running in larger configurations with ease. Slim line 120mm sightlines give a clean look. Excellent thermal values of 1.76W/M2k or more. High security lock options (PAS 24 2012 Certified). A high end operation mechanism. 4 Standard colour & 200 RAL frame finish options. Standard hardware in White or Black with further options available. Available in 4 standard colours and 200 RAL frame finish options. SDB can install these doors with a flush threshold.