Completely built in steel sheet with thickness 1 / 1.5 mm at cold bent painted with anti-acid epoxy powders and subsequent passage in a thermal tunnel at 200 ° C.

Particular insulation formed by high density fiber panels (free of Fibroceramic) for high temperatures (800 ° C) and calcium sulphate panels.

Internal finishing panels in melamine laminate with high resistance to even aggressive vapors.

Certification according to the new EN 14470-1 standard.