TTJ Holdings
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  Civil Defence Doors

These specialty doors are built of very thick heavy steel plates and sections and specifically designed as effective shelters against bomb blasts. As an approved supplier of blast doors in Singapore, T T J has fabricated and installed numerous Civil Defence Doors for the HDB, MOE and SMRT.

Blast Door
Heavy Blast Door, Hinge type
Heavy Blast Door, Sliding Type
   

 
 
Heavy Roof Truss
Highrise Structure
Infrastructure Work
Petrochemical Plant
Microelectronics Plant
General Structural Work
Offshore Structure
Launching Girder
Civil Defence Door
Crane & Equipment
Aluminium Parapet