Guide to success

Green roofs help to beautify urban areas by creating additional green surfaces. The success and longevity of a green roof depends on 4 key factors:

1- A complete technical study of the project

The choice of a green roof complex is based on precise criteria that must be taken into account in order to find the most suitable solution for the project: climate, substrate, type of vegetation, desired aesthetic appearance and level of maintenance, permissible overload, roof slope, orientation and location of the roof, accessibility of the roof, etc. In addition to these criteria, there are sometimes special constraints: the presence of reflective walls along the green roof, spillover of adjacent roofs onto the green roof, etc.

In addition to these criteria, there are sometimes special constraints, such as the presence of reflective walls along the green roof, adjacent roofs spilling onto the green roof, etc.

With Le Prieuré: 1 project = 1 technical study. The study is carried out in-house by our Engineering Office.

2- A high-performance greening complex

The vegetation system must be adapted to the technical and aesthetic constraints of the project (slope, exposure, support, level of maintenance required, etc.). The layers making up the complex (drainage, filter, substrate and vegetation) must be complementary, of high quality and comply with the Professional Rules for green roofs.

With Le Prieuré :

  • A wide range of products and solutions to meet your vegetation needs
  • A range of substrates manufactured by Le Prieuré, conforming to German FLL standards and certified by frequent laboratory analysis.
  • Roof greening solutions recognized by a Technical Approval (up to 20% slope) and an Installation Specification (up to 200% slope).
  • Certified solutions
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3- Controlled installation of the greening complex

The installation of a green roof requires a special approach, not only because of the weight of the complex, but also because of the need for waterproofing and access for maintenance.

With Le Prieuré :

  • a Technical Approval for all green roof systems, on any substrate and any waterproofing (slope 0 to 20%) and a Installation Specification Specif ication for green roofs with a slope of up to 200%.
  • controlled deadlines and costs thanks to integrated project management (production, logistics and implementation)
  • planting systems complying with the Professional Rules
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4- Appropriate maintenance

Extensive and semi-intensive green roofs require little maintenance, but this is essential if the vegetation is to last. The maintenance required depends on the green roofing project, and in particular on the time of year, the green roofing technique used and the type of plant cover selected.

We strongly recommend that you formalize the maintenance of your green roof by signing a contract with a specialist company as soon as you take delivery of the project. The contract covers both the green roof and the sterile areas.

With Le Prieuré :

  • A maintenance contract tailored to your project
  • Interview by Le Prieuré teams
  • Routine maintenance, diagnosis or renovation of green roofs
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