BIS perforated
security shutters provide a transparent effect when background
lighting is illuminated. This particular design of shutter offers
a high degree of security with inner integral strength. Perforated
shutters are commonly used when ventilation is a requirement.
This type of door system can be produced up to 10mtrs wide in
one single span. As well as a completely perforated curtain bands
of perforated lath may be incorporated into solid shutters to
give partial visibility or ventilation.
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