Steel Acoustic Doors 

With their insulated, internally reinforced 1.5 or 2mm steel skin for maximum strength, unique sectional frame for stability, steel hinges with integral ball bearings for ease of movement and special soft rubber seals for fit, Strongdor’s 4000 Series acoustic doors are ideal for internal or external use and carry a full 10-year warranty. 

Choose from stainless or galvanised steel finished in any BS or RAL colour. 

Available in single (to fit a maximum opening of 1350mm wide x 2900mm high) or double (maximum opening 5000mm wide x 5500mm high) door sets they can be specified with soundproofed vision panels in virtually any size. 

The doors are suitable for use as personnel or fire doors and accessories include a choice of safety locks, three-point locks, single or triple-point panic bars and single or three-point progressive tightening locks.