Portiere rods, Rising portiere rods, Swing arm portiere rods are designed to fit over doors where a curtain is necessary to keep out draughts. Dorma rods and drapery are are designed to fit small windows and dorma windows where there is limited space inside a dorma recess.
French poles are designed to keep the draughts in, as the curtain pole has a return this allows the curtain to keep tight to the wall.
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