Prefa – the roof as strong as a bull!

A roof covered with Prefa roof tiles offers striking advantages over coverings made of conventional materials.

  • extremely lightweight material (2,3 – 2,6 Kg/m2)
  • made of extremely durable aluminium
  • storm-proof
  • break-proof
  • maintenance-free, can neither rust nor break
  • 40-year manufacturer warranty

A roof covering that leaves nothing to be desired in terms of function and aesthetics.

With Prefa roofs, experience, professionalism and the quality of the execution details are decisive for decades of watertightness.

In the following image galleries, we show you some Rohner Prefa roofs.

Features

Material

The planters are made of aluminium, steel or stainless steel. All materials can be recycled. 

Colour

The metals are powder-coated. Any colour can be powder-coated. Rohner AG has 20 colours in its own range. 

Dimensionally Stable

Thanks to the right choice of material and the cross-bracing, the planters are dimensionally stable.

Resistance

The planter is weatherproof and winter-hardy thanks to the insulation. The temperature inside the planter never drops below 0°C.

Drainage

The Rohner planter drains at the bottom through a drainage pipe. For lasting function, the drainage pipe is protected with a drainage guard.

Water Level

At the bottom of the planter there is a 60 mm water level. This mimics the groundwater and is important for the artificial ecosystem. 

Protection

Thanks to the highly weather-resistant colours, your planter will not fade. We can offer over 10 years of warranty on the colour fastness. 

10-Year Warranty

Rohner can offer a 10-year warranty on the Rohner planters. 

References
Object Zurich
Object Stein
Documents

Product Sheet

Patent

Planter Construction

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