At Alcomij we offer you the widest range of greenhouse roof systems in the sector. From Venlo to Widespan, all our greenhouse roofs are 3D engineered, calculated and produced in-house using the very latest equipment and machines. Our research & development department works continuously to improve our aluminium roof systems.

From solar to Cabrio to semi-closed systems, we supply all conceivable efficient and sustainable greenhouse roof system solutions.

Venlo roof system

What is it?

The Venlo greenhouse roof system is a smart solution for when you would like to cultivate vegetables on large acreage.

Why choose it?

  • Slim gutter design
  • Maintenance friendly
  • Quick and easy to install

Documentation:
Brochure – Greenhouse horticulture solutionsFolder – Greenhouse roof systems

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Solar roof system

What is it?

Venlo Solar roof systems provide renewable energy for your greenhouse and are usable with framed and unframed solar panels.

Why choose it?

  • Solar panels are enclosed with rubber on four sides
  • Also suitable for aluminium framed solar panels
  • Quick and easy to install due to smart connections

Documentation:
Brochure – Greenhouse horticulture solutionsFolder – Greenhouse roof systems

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Widespan roof system

What is it?

The Widespan roof system is an efficient and economic greenhouse cultivation solution for when you would like to bridge large areas with a with few columns.

Why choose it?

  • Storm and snow-proof
  • Screen system can be integrated easily in the roof purlins
  • High ventilation capacity

Documentation:
Brochure – Greenhouse horticulture solutionsFolder – Greenhouse roof systems

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Cabrio roof system

What is it?

The cabrio greenhouse roof system is a perfect solution for when you want to combine greenhouse cultivation with outside conditions.

Why choose it?

  • Suitable for tree and plant sector
  • High-end sealing to ensure a water and draft proof closure of the ventilation window
  • The ventilation windows hinge in the gutter and can be fully opened

Documentation:
Brochure – Greenhouse horticulture solutionsFolder – Greenhouse roof systems

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Semi-closed roof system

What is it?

The semi-closed greenhouse is a smart solution for when you require an improved climate control with your greenhouse and want to combine energy-efficient cultivation with an optimum production.

Why choose it?

  • Lower CO2 emissions
  • Less use of pesticides
  • More efficient air flow close to the plant

Documentation:
Brochure – Greenhouse horticulture solutionsFolder – Greenhouse roof systems

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Projects with Greenhouse roof systems

Together we select the most comprehensive roof system

All greenhouse roofs are customised, which means that contact with the customer is vital. We support you and your customer every step of the way in selecting the most comprehensive and optimal system. To ensure that your new greenhouse roof system meets all local applicable standards and loads, we use a MathCad program called ‘Glazenstad’, which is developed by TNO.