D&D with promat have designed 2.7 to 3.0 mtr High Single & Double Doors with and without vision panel to have stability, integrity & Insulation providing a barrier for the large opening.
These doors with a drop seal can also be termed to give sound insulation upto 58 Rw dB.
Doors and Doors designed and tested 2.7-meter x 1.2-meter single fire door and 2.7-meter x 2.4 double door with vision panel for stability, integrity as well as insulation for more than 120 min that provide the client peace of mind. These doors serve as full height wall barriers that limit and control the spread of fire as well as that of smoke and eventually save life and property.