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Green roofs bring many advantages beyond aesthetics:

• Thermal comfort: Green roofs can reduce the temperature of rooms under roofs by 5 to 11°C in summer. A Canadian study showed that this can reducte by up to 60% the energy consumption tor the air conditioning systems 
• Acoustic comfort: Homegrade indicates that an extensive green roof induces a sound reduction of up to 35dB.
•  Combination with photovoltaic panels: Australian researchers have shown that peak output increases by up to 107% when combined with green roofs. This is because the panels are optimized to operate at 23°C, and green roofs can reduce roof temperatures from 70°C to 34°C in summer.
• Waterproofing lifespan: Green roofing protects the waterproofing from temperature fluctuations and UV rays. Homegrade reports that green roofs can more than double the lifespan of waterproofing.
• Rainwater storage: Homegrade estimates that extensive roofs can retain up to 50% of rainwater during heavy downpours.
• Improved air quality: green roof plants filter fine particles and dust suspended in the air (up to 2kg/10m²/year!).
• Biodiversity: The abundant and prolonged flowering of sedums provides a reliable source of nectar for bees, especially in stressful environments.

Advantages of roof greening with Quick Sedum :

Very simple, four-in-one installation system (drainage, substrate, water retention and vegetation)

•  Easy maintenance of the waterproofing: in case of a problem with the waterproofing, simply lift the trays to check the condition of the waterproofing.​
• The visual effect is immediate, with 5-10 varieties of sedum per tray to extend the flowering period.
• When the installation is done by the roofer, the waterproofing and the greening are carried out by the same company.

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