CASTOR Roof Vent

The CASTOR Roof Vent, a product of meticulous design and engineering, stands out in the realm of ventilation solutions. Its filigree design, characterized by horizontal slats, is not just an aesthetic choice but a functional one. These slats play a crucial role in preventing snow and water from infiltrating the pipe system, ensuring that the internal environment remains unaffected by external weather conditions.

Its unique and appealing shape has made it a staple in the ventilation sector. When one thinks of efficient and effective ventilation, the CASTOR Roof Vent invariably comes to mind. This is a testament to its design, functionality, and the trust it has garnered over the years.

Ohnsorg Söhne AG has always been at the forefront of air and climate control systems. Our reputation for delivering high-quality products is unparalleled in the industry. The CASTOR Roof Vent, with its slatted column cap design, is a shining example of our commitment to excellence. Specifically crafted for comfort ventilation, it seamlessly integrates with natural terrains, making it a preferred choice for various architectural styles.

In today’s rapidly evolving world, staying updated with the latest in ventilation technology is paramount. The CASTOR Roof Vent not only meets but often exceeds the contemporary requirements of ventilation technology. Its design, while rooted in timeless principles, incorporates modern innovations to deliver unparalleled performance.

Professionals across the board, be it ventilation system builders, building technicians, or sheet metal workers, unanimously vouch for the CASTOR’s quality and solidity. Its robust construction, combined with the use of high-quality metals, ensures that it remains maintenance-free, offering longevity that few other products can match. The strategic arrangement of its slats ensures optimal ventilation suction, providing protection against all weather conditions.

Its versatility is another feather in its cap. Whether you’re dealing with pitched or flat roofs, whether you need insulation, a termination funnel, or a protective grille, the CASTOR is adaptable to a wide range of requirements.

Available in all standard construction metals, the CASTOR offers customization like no other. From the number of slats to the diameter and length of the standpipe, every aspect is tailorable to meet specific needs. If you’re unsure about the best configuration for your project, our team of experts is always on hand to guide you. Their deep knowledge and experience ensure that you make an informed decision, perfectly suited to your requirements.

In conclusion, the CASTOR Roof Vent is not just a product; it’s a promise of quality, efficiency, and reliability. Choose CASTOR, choose excellence.

Types of air

  • Outdoor Air


  • Copper
  • Copper Titanium Zinc
  • Aluminum
  • Stainless Steel
  • Additional materials available upon request


  • Round
  • Square

Roof Shapes

  • Flat Roof
  • Pitched Roof


  • With Insulation
  • Without Insulation

Nominal Widths Ø

  • 80
  • 100
  • 125
  • 150
  • 180
  • 200
  • 224
  • 250
  • 280
  • 300
  • 315
  • 350
  • 355
  • 400
  • 450
  • 500
  • 550
  • 560
  • 600
  • 630
  • 700
  • 710
  • 750
  • 800
  • 850
  • 900
  • 950
  • 1000
  • 1050
  • 1100


  • 1000/1000
  • 200/200
  • 250/250
  • 300/300
  • 350/350
  • 400/400
  • 450/450
  • 500/500
  • 550/550
  • 600/600
  • 650/650
  • 700/700
  • 750/750
  • 800/800
  • 850/850
  • 900/900
  • 950/950
  • Customized to customer's specifications

Your Personal Contact

Danijel Rogljic

Head of Production / Sales

041 747 00 54


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