Method for producing false ceilings by means of a flexible material, consisting in stretching and fixing a web, whose surface corresponds to the surface to be concealed, by fastening it to the walls or partitions (7a, 7b) along at least two of its edges. It is characterised in that: - the said web consists of a plurality of web units (1) which are connected edge-to-edge by stiffening profiles (4) extending over their entire length; - the assembly thus formed is suspended, in a first stage, by means of the intermediate profiles (4) from the structure (ceiling, frame) of the location in which the false ceiling is to be installed; - the outer edges of the web, which are also equipped with profiles, are connected to the walls (7a, 7b), one of the outer profiles being equipped with a means making it possible to effect tensioning by traction in the transverse direction. IMAGE
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