For underground car parking areas or where ventilation or vision is required LBS PORTCULLIS rolling grilles provide discrete physical security.
Constructed from mill finish aluminium tubes and links arranged on steel rods in a brickbond pattern.
Electrically operated to cover areas up to 7m wide x 4m high.
For 4-5 operations per hour, 240v tubular motors with manual operation via removable handcranks or for high usage operation by  3-phase motors with manual operation in the event of power failure via low level endless hand-chain or battery-back-up.
LBS PORTCULLIS grilles ban be operated by fob transmitters, key or digital switches, radio control or client’s own access control systems and integrated controls with automatic timed closing and all necessary mandatory safety devices allowing safe automatic opening or closing to suit every application.
For openings up to 3m wide
For larger openings
Steel security & Fire-exit doors
Providing an on-going commitment to planned maintenance & 24hour service