ÖNORM EN 13527

The present standard defines the test methods to be carried out to determine the operating force required for shutters and blinds. It applies to the following products : Internat blinds : internal venetian, roller, vertical and pleated blinds External blinds : Folding arm awning, trellis arm awning, vertical roller awning, pivot arm awning, marquisolette, fa9ade awning, roof light awning, verandah awning or conservatory awning, Dutch awning, insect screen awning, louvre array. Shutters : External venetian blind, roller shutter (vertical or projected) venetian shutter (vertical or projected), flat-closing concertina shutter, concertina shutter, sliding panel shutter). Shutters with a projection System are also covered. The test described establish the effort or force necessary to result in the movement or displacement of the curtain during both extension and retraction, to project shutters, to tilt Iaths.