Tech-Roll™ HP (High-Pressure)

Indotech’s TECH-ROLL™ HP is designed to withstand very high pressure

  • Indotech’s HP is certified by UL-CLEB laboratories
  • Ideal for mines and industries with high-wind loads
  • Withstands static wind load of 35 psf
  • Operational in constant 15 psf wind load
  • AAMA 501.1-17: No water leakage observed
  • ASTM E283-04: No loss of structural integrity
  • ASTM E330-02: Resists Positive and negative pressure


Functional in heavy wind situations

Energy Efficient

Reduction in down time related costs

Reduced repair costs

Require minimal maintenance

Tech-Roll™ video


Tech-Roll™ HP

Max. size Opening

4876mm x 4267mm (16′ x 14′)


Chained drive industrial operator


Variable based on conditions


Tech-Lock; patented continuous double sealed

Bottom Bar

Knock away design with pintle hinge


Steel guides with adjustable compression spring

Wind Bar

Two windbars interior and exterior

HP System

Constant pressure system on curtain; opening and closing

Inertia Brake

Safety option recommended

Guide Colors

Many color options available

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For illustration purposes only



The TECH-ROLLTMrubber curtain is available in SBR black rubber, MSHA black rubber (mining spec) and EPDM blue rubber. The rubber is 1/4-inch thick and reinforced with a polyester centre that ensures flexibility and durability in temperatures between -40°C and + 50°C. Its strength resistance is 2,000 psi.



ndotech’s TECH-LOCK are continuous the full height of the door to create a weather-tight seal in both positive and negative pressure. The system creates a frictionless movement of the door’s curtain within the guides when the door is opening and closing.


Bottom bar

The bottom bar is made of steel and equipped at the center with a pintle hinge that allows the release of the curtain in case of impact, this ensures a fast and easy re-installation of the curtain.


Guide Rails

The steel guide rails are designed with adjustable compression springs that allow the release of the curtain in case of impact and are ajustable to adapt to various windloads. In addition the guides can be opened for full inspection of the door’s curtain and ease of maintenance.


Wind bars

One exterior and one interior windbar are required.


Electric operators

The TECH-ROLL series of electric operators are high-performance industrial operators designed for intensive use and require minimal maintenance. They are equipped with a clutch system and the possibility of an over-sized brake that allow the door to run smoothly. In addition, the operators are equipped with a chain hoist and power safety switch in cases of emergency.


Inertia brake

Optional protection system that prevents the door from closing in the event of mechanical failure. This security system is unique to Indotech

Additional options and accessories

  • Programmable control panel
  • Windows
  • Photocells
  • Movement detectors
  • Personalized door frame color.
  • Custom lettering / signage

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Certifications & Associations

  • CWB