Silex is Nav-System's division which manufactures PUR and PIR sandwich panels for thermal insulationThe history of this company starts in 1960 when the founder Mr. Renzo Navarra began to produce industrial insulations with rice hulls. Manufacturing processes evolved over time, together with the technical skills and the production capacity of this group until the production of cutting-edge sandwich panels made of steel and polyurethane Quality, design and innovation are, then and now, the distinguishing marks of SILEX panels, thanks to a group of people who share the same passion, commitment and innovative view while carrying out their work.The custom care and the confidence in the future are the same as in the 1962.