Scaling Heights: The Cost and Installation Guide for Green Roofs

As part of a sustainable development approach, the trend for green roofs is growing more and more in urban areas. In addition to bringing an undeniable aesthetic touch to a home, they are also recognized for their numerous ecological and energy-saving advantages. This development, as beautiful as it is, nevertheless requires careful preparation and a certain investment. Are you looking to know the price of a green roof and advice for its installation? We give you all the necessary information in the paragraphs that follow.

Detailed analysis of the cost of a green roof

The cost of a green roof depends on several factors. The price varies mainly depending on the size of the roof, the type of greening chosen and the preliminary work necessary to install the greening. Depending on these criteria, the cost can range from 50 to 200 euros per square meter.

Let us therefore detail these different points. The surface area of ​​the roof greatly influences the final cost. The larger the surface area, the more the cost per square meter tends to decrease. So, for large projects, the price per square meter can be significantly lower than for small projects.

Furthermore, the choice of type of vegetation has a major impact on the cost. There are mainly two types of green roofs: so-called “extensive” roofs and “intensive” roofs. The former are simpler to install and require less maintenance, their cost is therefore logically lower. The latter require regular maintenance, with more luxuriant vegetation, they are in fact more expensive.

Finally, in addition to the revegetation itself, preparatory work may be necessary, which leads to an increase in costs. In particular, it is necessary to check the resistance of the roof, install additional insulation, or even provide a drainage system. Additional costs must also be taken into account, such as improving the waterproofing of the roof or the costs associated with the possible obligation to reinforce the building structure.

Expert advice for installing a green roof

Installing a green roof requires special attention. Here are some expert tips for a successful installation.

  • Understand the town planning rules: Before even starting, it is essential to check with the town hall to find out the town planning rules in force.
  • Choose the type of vegetation: As mentioned earlier, there are mainly two types of green roofs: extensive and intensive. The choice depends on your budget, but also on the use you plan for your roof.
  • Consult a professional: A preliminary study with a building expert is essential to assess the solidity of the existing structure and plan the necessary preparatory work.
  • Ensure the quality of the seal: Waterproofing is essential to avoid any water infiltration which could damage the structure of the building.
  • Opt for local and resistant plants: Not only do they adapt better to climatic conditions, but they also require less maintenance.

Installing a green roof is a real project that requires time, money and careful preparation. However, the game is worth it? you will enjoy a new living space, while participating in the preservation of the environment.

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