Veelgestelde vragen

What is the differnce between a intensive and a extensive greenroof?


An intensive greenroof has a larger substrate layer, because of this you can use more different types of plants. The extensive greenroof has a small substrate layer which makes it only suitable for sedum to grow on. The main difference is also maintenance. With an extensive greenroof it's enough to come by twice a year. For an intensive roof you have to come by more often.




Is a greenroof possible on all roof covers?


A greenroof can come on every roof cover as long it's waterproof and the roof structure can hold the weight.




Can you walk on a greenroof?


It depends on the type of greenroof. If its with sedum we don't recommend walking on it because you damage the plants to hard. Occasionally doesn't matter much. On an intensive greenroof it's possible to walk on. But for all plants it's the best limit the damages.




How much does a greenroof weighs?


This depends on the kind of greenroof. The lightest system with system weighs only 45kg/m² saturated, an intensive greenroof weighs around 150kg/m² saturated. If you want a real living roof you have to calculate 500kg/m² saturated.




What if I want to reuse mine rainwater?


Because of a greenroof the rainwater can become yellow to brown. This is because of the organic material and good bacterizes in the substrate. It isn't so that the quality is worse, on the contrary the water is healthier and less acid. The only thing is that it doesn't look good. This cane be helped with a special active carbon filter.





FAQ

What is the differnce between a intensive and a extensive greenroof?


An intensive greenroof has a larger substrate layer, because of this you can use more different types of plants. The extensive greenroof has a small substrate layer which makes it only suitable for sedum to grow on. The main difference is also maintenance. With an extensive greenroof it's enough to come by twice a year. For an intensive roof you have to come by more often.




Is a greenroof possible on all roof covers?


A greenroof can come on every roof cover as long it's waterproof and the roof structure can hold the weight.




Can you walk on a greenroof?


It depends on the type of greenroof. If its with sedum we don't recommend walking on it because you damage the plants to hard. Occasionally doesn't matter much. On an intensive greenroof it's possible to walk on. But for all plants it's the best limit the damages.




How much does a greenroof weighs?


This depends on the kind of greenroof. The lightest system with system weighs only 45kg/m² saturated, an intensive greenroof weighs around 150kg/m² saturated. If you want a real living roof you have to calculate 500kg/m² saturated.




What if I want to reuse mine rainwater?


Because of a greenroof the rainwater can become yellow to brown. This is because of the organic material and good bacterizes in the substrate. It isn't so that the quality is worse, on the contrary the water is healthier and less acid. The only thing is that it doesn't look good. This cane be helped with a special active carbon filter.