The present standard defines the tests to be carried out to determine the ability of the shutters and blinds to resist abnormal use of the operating mechanism in terms of rough/forced/reversed operation. It applies to the following products: - Internal blinds: Internal venetian, roller, vertical and pleated blinds and darkening blinds; - External blinds: Folding arm awning, trellis arm awning, vertical roller awning, pivot arm awning, marquisolette, façade awning, roof light awning, verandah awning or conservatory awning, dutch awning, insect screen awning, louvre array;...
