Curtain wall

A curtain wall comprising

• one or more mullions, formed by mullion profiles,
• one or more transoms, formed by transom profiles and one or more panels,
• wherein the one or more mullions are installed vertically,
• wherein the one or more transoms are attached at right angles to the one or more mullions,
• wherein the one or more transoms and the one or more mullions define rectangular openings,
• wherein the one or more panels are placed in said openings to close these openings,
• wherein the panels are fitted with their side edges in rabbets of the mullion profiles and of the transom profiles with the aid of seals,
• wherein the rabbets in the mullion profiles have a fixed indivisible width and the one or more panels are secured along the inside of the curtain wall in the mullion profiles by means of first glazing beads that are made from a rigid material and are provided with seals and are attached to the mullion profiles by means of first positioning aids,
• wherein the first positioning aids are attached to the one or more mullions,
• wherein the first positioning aids and the mullion profiles are designed in such a way that the first positioning aids can be attached to the mullion profiles, and
• wherein the first positioning aids and the first glazing beads are designed to position the first glazing beads together with the seals onto the mullion profiles through a rotational movement of the first glazing beads, said rotational movement being guided by the first positioning aids.