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Green roof on RIB-ROOF

The trend towards cultivated green spaces on roof continues unabated. The environmental aspect has become increasingly important over recent years, besides the roof functions that have always been crucial, including protection and comfort. Our innovative green roof system – which is compatible with the RIB-ROOF metal roofs Evolution and Speed 500 – delivers an optimised solution in this area.


Extensive greenery

Layer height

100 mm


RIB-ROOF Speed 500 and RIB-ROOF Evolution

Vegetation form

Moss sedum growth height 1 to 3 cm

Roof pitch

from 1.5° to 45.0°

Water retention

up to 80%

Dry weight

approx. 15-20 kg/m²

Saturated weight

approx. 80 kg/m²


for the entire roof structure

Innovation by two strong partners.

RIB-ROOF metal roofing systems and KNAUFINSULATION, one of the leading manufacturers of insulation materials, jointly developed the green roof complete system. This system is particularly suitable for flat and low-pitched roofs in residential construction and for commercial properties in urban areas.

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Why a green roof?

A green roof on the Zambelli RIB-ROOF Evolution and Speed 500 metal roofing systems has immense advantages:

Rainwater management

The Zambelli green roof enables reduction in precipitation runoff and its delay. This leads to lower construction costs as it eliminates the need for rainwater retention basins, among other things.

Reduction in city temperatures

In the city, the air temperature in summer is about 5 to 7° Celsius higher than in rural areas. The Zambelli green roof is one of the most effective ways to reduce the heat in urban centres.

High fire resistance

The complete system from Zambelli is characterized by a very low degree of flammability.


Green roofs do not need much care. Maintenance measures (mowing the vegetation, fertilising, checks) only have to be carried out once to three times a year.

Extended service life for the roofing

Cultivating the roof can triple its service life by a factor of three. The additional green roof structure protects against mechanical damage, UV radiation and extreme temperatures.

Reduced energy consumption

The green roof cuts heating and cooling costs by up to 25% and 75% respectively.

Sound insulation

A cultivated roof insulates sound and therefore creates quieter living spaces.

CO2 reduction

The green roofs by Zambelli make a significant contribution to reducing CO2. 1 m2 A green roof can bind approx. 5 kg of CO2 each year.

Clean air

Cultivating metal roof helps to bind fine dust, smog, heavy metals and volatile organic compounds from the air. Air quality improves considerably.

Usable habitat for humans and animals

Rooftop cultivation makes urban spaces more efficient. These spaces can be used as recreational areas and provide an additional habitat for a wide variety of animal and plant species.

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Zambelli Holding GmbH Passauer Straße 3+5, D-94481 Grafenau/Haus im Wald

Phone +49 85 55 409 0