Sonafold Folding Doors

The Sonafold insulated folding door is ideally suited to the closure of internal or external openings where a reduction in noise transmission is required. Its flat faced robust construction renders it capable of with standing severe wind conditions whilst maintaining a high aesthetic appearance. They have been provided on many power stations worldwide where they enhance the acoustic envelope of buildings such as turbine halls.

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NBS Specification Sheets

Technical Drawings

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