CetraTriphase 77 - Thermal Insulated 3 phase electric roller shutter door.

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Insulated roller shutter3 Phase Insulated Roller Shutter Door


CetraTriphase 77 - Thermal Insulated 3 phase electric roller shutter door.

Choose me if:

  • You need to achieve thermal insulation compliance
  • You want to save money on heating costs
  • The door is used several times an hour
  • Noise insulation is important
  • Maintaining an internal environment is important
  • You need to open and close the door quickly

Insulated industrial 3 phase door.

  • Our Insulated Commercial Shutter combines all the qualities of our robust CetraDoor 75 but with the added benefit of insulation.

Thermal and Acoustic Insulation

  • The insulated shutter is constructed using a double skin galvanised steel lath
  • Minimal thermal bridges and the use of fine-pored PU rigid foam infill ensure good thermal insulation.
  • Curtain and sealing technology used around the entire shutter reduce noise from both inside and outside.
  • Designed to meet a U value of 1.4W/M2
  • Designed to meet a weighted sound reduction value of 18dB (BS5821 Part3:1984)
  • Can be wind locked in exposed areas
  • Guide & lintel brush strips can be added to keep draughts out
  • Your choice of 3 phase direct drive or inboard motors
  • Motors supplied by either Ellard, GFA or Link
  • Can be fully automated by the addition of optical safety edge & photocells
  • Can be powder coated any colour

Standard SeceuroDoor motor option

  • Direct drive external motor with integral safety brake
  • Operating speed approx 5 seconds/m. Average speed per m, the first m when opening is slower than this as the closed slats open up
  • Recommended frequency of use. Up to 20 open and close cycles per hour, higher usage possible with an upgrade
  • Installation limit setting is by digital, low level, control unit
  • Power supply Low level to the control unit
  • Standard control unit. Push button station with digital display indicating current status

Survey & Measuring Service On All Thermal Insulated Shutters

  • Cetra are here to help. We are happy to work with you on your project, visiting site and offering professional, objective advice to ensure your thermal roller door fulfills all your requirements. Please give us a call.


Cetra offer 3 types of supply/fitting service for your thermal roller door.

  • Supply Only Service.
  • Supply & Assisted Fitting Service.
  • Supply & Full Fitting Service.

We operate Nationwide, our teams covering;
Scotland North of England Midlands Wales South of England

Additional Information ▾

Featured Testimonial

"I observed, however, that one of them held somewhat aloof, and though he seemed desirous not to spoil the hilarity of his shipmates by his own sober face, yet upon the whole he refrained from making a..."
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