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Roller gates made to measure for livestock buildings and halls.

The roller curtain winds vertically upwards, so it does not get in the way at the sides or under the ceiling and allows fast opening. We manufacture electric roller gates in the EVR 1 to EVR 4 ranges according to the required dimensions and the type of drive. Insulated and manual versions are also available - hand-crank and chain-operated. Below you will find detailed information about each variant and a comparison between them.

HAZE roller gates - completed project
Versions in detail

Each version described.

HAZE EVR 1 electric roller gates - completed project
Electric - standard

EVR 1 electric roller gates

The basic electric version for standard entrance sizes. It suits places where the gates are operated frequently, for example feed passages. The electric drive is operated by remote control and by a push button. A back-up crank is available in the event of a power failure. The tarpaulin fabric winds onto a shaft mounted above the entrance and the structure is hot-dip galvanised. We install the gates from the inside or from the outside, depending on what the building allows.

OperationElectric drive with remote control, back-up crank
DriveElectric - tubular motor
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 690 g/m²
Max. sizeUp to 25 m² with a maximum width of 5.8 m
HAZE EVR 2 roller gates - completed project
Electric - oversize

EVR 2 roller gates - oversize, with a tubular motor

An oversize electric version with a tubular motor inside the winding shaft. Structurally it is based on EVR 1, but it handles larger entrance sizes.

OperationElectric drive with remote control, back-up crank
DriveElectric - tubular motor, more powerful variant
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 900 g/m²
Max. sizeUp to 30 m² with a maximum width of 5.8 m
HAZE EVR 3 roller gates - completed project
Electric - oversize

EVR 3 roller gates - oversize, with a side-mounted drive

An oversize electric version with a powerful side-mounted drive positioned next to the winding shaft. Its higher power and more robust structure make it suitable for large and heavy roller systems, so it can reliably close even oversize structural openings.

OperationElectric drive with remote control, manual release by pull chain
DriveElectric - side-mounted drive
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 900 g/m²
Max. sizeUp to 50 m² with a maximum width of 5 m

No-obligation consultation

HAZE EVR 4 roller gates with a central shaft - completed project
Electric - largest sizes

EVR 4 roller gates - with a side-mounted drive and a central shaft

The largest version in the EVR range, with a powerful side-mounted drive and a sliding central shaft. It is designed to close extremely large structural openings. The side-mounted drive is dimensioned for roller curtains of large area and high weight, and structurally it is based on the proven design of the EVR 3 model.

OperationElectric drive with remote control, back-up crank
DriveElectric - side-mounted drive
StructureHot-dip galvanised steel, shaft mounted above the entrance, sliding central shaft
InfillTarpaulin fabric 690-900 g/m²
Max. sizeUp to 60 m² with a maximum width of 15 m
HAZE chain-operated roller gates - completed project
Manual operation

ŘVR - chain-operated roller gates

The gates are operated mechanically by a chain gearbox. For safety reasons, versions with an area over 16 m² are fitted as standard with a fall-arrest brake. As with the electric variants, the colour can be selected. We install the gates on the inside or the outside of the building.

OperationMechanical, chain gearbox
DriveNo drive, chain gearbox only
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 690 g/m²
Max. sizeUp to 20 m² with a maximum width of 5.8 m
Optional versions

Infill to suit the operation.

Insulated version of HAZE roller gates
Optional infill

Insulated gate version

Suitable where heat loss has to be limited and a stable temperature maintained. It is installed above all in milking parlours and collecting yards as an effective replacement for PVC strip curtains. It is also suitable for sheep barns and for any place where heat loss cannot be afforded.

We offer them as an infill option for the EVR 1 version and for chain-operated gates. We manufacture them in two colours only - grey or white.

OperationElectric drive or manual operation
DriveElectric or chain gearbox
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 1050 g/m²
Max. sizeUp to 20 m² with a maximum width of 5.8 m

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MVR - HAZE manual roller gates - completed project
Manual operation

MVR - manual roller gates

A manual version for smaller openings. A simple structure with no electrical installation and no chain gearbox, operated by a hand crank. Suitable where the gates are operated only rarely.

OperationMechanical, hand crank
DriveNo drive, hand crank only
StructureHot-dip galvanised steel, shaft mounted above the entrance
InfillTarpaulin fabric 690 g/m²
Max. sizeUp to 8 m² with a maximum width of 3.5 m
How to choose a version

Which gates to choose.

What matters are the dimensions of the entrance, how often the gates are used and whether you need thermal insulation. For each version you can see the operation, the key dimension and what it is suitable for.

  • EVR 1 Standard sizes. The basic electric version with a tubular motor drive and a back-up crank.
    Operation
    Electric drive, remote control, back-up crank
    Size
    Up to 25 m², width up to 5.8 m
    Suitable for
    Frequently used drive-through openings, feed passages
    Details →
  • EVR 2 Larger entrances. An oversize electric version with a more powerful variant of the tubular motor.
    Operation
    Electric drive, remote control, back-up crank
    Size
    Up to 30 m², width up to 5.8 m
    Suitable for
    Oversize entrances
    Details →
  • EVR 3 Large and heavy roller curtains. A powerful side-mounted drive and a more robust structure for oversize openings.
    Operation
    Electric drive, remote control, manual release by pull chain
    Size
    Up to 50 m², width up to 5 m
    Suitable for
    Large structural openings
    Details →
  • EVR 4 Extreme widths. A side-mounted drive and a sliding central shaft for the largest structural openings.
    Operation
    Electric drive, remote control, back-up crank
    Size
    Up to 60 m², width up to 15 m
    Suitable for
    Largest openings in halls and livestock buildings
    Details →
  • Chain-operated Manual operation. Mechanical operation by a chain gearbox, with no electric drive.
    Operation
    Chain gearbox
    Size
    Up to 20 m², width up to 5.8 m
    Suitable for
    Sites without an electric drive
    Details →
  • Insulated Limiting heat loss. An optional infill for EVR 1 and chain-operated gates, available in grey and white.
    Operation
    Electric drive or chain gearbox
    Size
    Up to 20 m², width up to 5.8 m
    Suitable for
    Milking parlours, collecting yards, sheep barns
    Details →
  • Manual Smaller openings. A simple version with a hand crank for passages that are used only rarely.
    Operation
    Hand crank
    Size
    Up to 8 m², width up to 3.5 m
    Suitable for
    Smaller, seldom-used openings
    Details →
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Frequently asked questions

What you ask most often.

What are the structure and infill made of?

The structure is made of hot-dip galvanised steel and, depending on the version, the infill is 690 or 900 g/m² tarpaulin fabric. The insulated version uses 1050 g/m² tarpaulin fabric.

How are the gates operated?

By an electric drive with remote control (with a back-up crank in case of a power failure), or manually - by hand on the manual version, by a chain gearbox on the chain-operated version.

How large an entrance can you cover?

We manufacture EVR 1 up to 25 m² and a width of 5.8 m, EVR 2 up to 30 m² and a width of 5.8 m, EVR 3 up to 50 m² and a width of 5 m, and EVR 4 with a sliding central shaft up to 60 m² and a width of 15 m. The chain-operated and insulated versions go up to 20 m² and a width of 5.8 m, the manual version up to 8 m² and a width of 3.5 m.

Do insulated gates keep the heat in?

The insulated version helps to limit heat loss and maintain a stable temperature. We offer it as an infill option for EVR 1 and for chain-operated gates, in grey or white.

Can the gates be colour-matched?

Yes, you choose from the shades in the RAL colour chart, including an optional zinc sheet cover and various guide profiles.

How does installation work?

We manufacture the gates made to measure and our own team carries out the installation, from the inside or the outside depending on what the building allows. On handover we train the operators and we provide a 2-year warranty on the technology and the installation.