SANDWICH is a self-bearing panel for roof, with matchboard effect in evidence, ready to install directely on wooden beams. 
It is composed of a wood panel type OSB (on the upper side), of a phenolic multilayer panel (on the lower side, in evidence) and of an interposed plate in EPS polystyrene foam according to the norm EN 13163.

It is self-extinguishable, reaction to fire class E according to the European norm EN 13501/1, battened on the two longer sides to make lying easier.
Size of panels: cm 120 x 242 and m2 2,90 each panel.
Produced in any thickness.
Produced in Euroclass: 200Kpa