ESSERTEC GmbH manufactures rooflight domes, flat-roof windows, continuous rooflights and natural smoke and heat exhaust ventilators for flat roofs, together with louvre systems and fall-through protection. The company is a full member of the FVLR, the Fachverband Tageslicht und Rauchschutz, whose members’ NRWG are CE marked to EN 12101-2 and designed to DIN 18232-2. ESSERTEC also provides qualified maintenance of installed SHEV units and is part of the SOPREMA group.