Protective layer flat roof PV system

The photovoltaic boom in Germany continues. In 2024, the mark of one million newly commissioned solar systems was exceeded again and a new record output was installed. There has been a significant increase in large-scale PV systems with an output of over 5 MW. Relaxed building regulations and greening requirements in NRW and other federal states have also increased the demand for green roofs. Special protective layers are required to increase the service life of PV systems and green flat roofs and to prevent damage to the sensitive roof membranes. Structural protection layers and protective mats made from recycled tyre rubber granulate offer the ideal solution here. perfect solution - also for maintenance routes and fouling protection.

Install photovoltaic systems safely and sustainably

Flat roofs offer ideal conditions for the installation of photovoltaic systems, which place special demands on the roof waterproofing. On the one hand, the sensitive waterproofing layers must be permanently protected against mechanical loads caused by mounting systems, ballast, temperature fluctuations and wind loads. On the other hand, expectations regarding fire protection, material compatibility and sustainability are increasing.

The building protection layers made of tyre rubber granulate were designed for the safe, long-term operation of PV and solar installations on flat roofs. They offer a durable, sustainable and effective solution to prevent damage and ensure that the PV systems are secured in position. The products are durable, can withstand high mechanical loads and are quick and easy to install.

  • Mechanical protection in accordance with DIN 18531/18533/18535
  • UV-resistant, temperature and weather-resistant
  • High pressure resistance for long-term safety
  • Available as a self-adhesive and/or fire-retardant version
  • Quick & easy installation

Sustainable protection for green flat roofs

Green roofs make a significant contribution to ecological balance in urban areas. They improve air quality, promote biodiversity and also demonstrably extend the service life of the roof waterproofing. NEW LIFE partners offer innovative solutions made from recycled materials for the long-term protection of buildings with green roofs.

Green roof protective layer

Weatherproof building protection solutions made of tyre rubber granulate offer comprehensive protection for roof waterproofing by protecting against mechanical damage and climatic influences. The protective layers are frost and weather resistant, rot-proof and offer a high drainage effect. Their special structure optimises water drainage and prevents puddles from forming. The sustainable rubber mats combine protective and drainage layers and are an environmentally friendly solution made from up to 95 % recycled material.

  • Tested fire behaviour, at least class Efl (B2)
  • Resistant to frost, weathering and rotting
  • Optional profiled underside and/or filter fleece for effective water drainage
  • Compatible with all rubber-compatible sealing systems
  • Quick and easy installation without heavy equipment

Safe maintenance routes for flat roofs with PV systems and greenery

The regular maintenance of photovoltaic systems on flat roofs places special demands on the roof structure. Maintenance paths must be clearly visible, slip-resistant and permanently functional - without damaging the sensitive roof waterproofing. Roof and walkway slabs made from recycled rubber granulate offer a durable, practical and sustainable solution for this - especially in comparison to concrete slabs.

Flat roof PV system maintenance route

The sheets are made of elastic rubber granules obtained from recycled old tyres. The rubber sheets reliably protect the roof waterproofing from mechanical damage. They fulfil the requirements of "hard roofing" in accordance with DIN and are resistant to flying sparks and radiant heat. The rubber sheets are available in different colours, which enables the maintenance paths to be clearly marked according to trade: grey for ventilation technology, red for photovoltaics and green for horticulture.

Sustainable weed protection on flat roofs

Flat roofs with greenery and/or PV systems pose challenges once they have been completed. Unwanted root and plant growth along maintenance paths, in technical zones or under solar installations can have a negative visual and functional impact. To permanently prevent vegetation without the need for regular mowing or the use of chemical herbicides, vegetation-inhibiting protective mats made of rubber tyre granules are an ideal solution.

Weed protection flat roof

The sustainable anti-fouling mats prevent unwanted vegetation by removing UV light, effectively suppressing root and plant growth under the mat. At the same time, the mats are water-permeable so that microbiological soil life is maintained and erosion is prevented. The material composition makes the mats permanently rot-proof and flexible enough to adapt to any substrate shape.

 

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