A study presented at the green roofs for healthy cities conference in june 2004 cited by the epa found water runoff was reduced by over 75 during rainstorms.
Green roof self weight.
The main thing is to speak to a structural engineer to know if the roof can support the weight of the green layer because once it s absorbed rainwater it can get very heavy.
Water is stored by the roof s substrate and.
You can retrofit a green roof but in these cases you may need to use a much lighter weight green roof system a sedum layer with a light soil is a good solution.
0 80 mm steel sheet.
Last updated july 22 2020.
The planting medium in intensive green roofs starts at 6 inches although you will see some wiggle room in various definitions and really elaborate designs may exceed a couple feed.
1 xf301 sedum blanket system with integrated water retention and filter layer.
2 al40 edge trim frames and retains the xf301 system.
Intensive green roofs are essentially roof gardens and may also need to allow for the additional weight of paving and terracing furniture and even trees.
An interesting example of an intensive green roof is manaton the award winning private house on dartmoor that uses local meadow grass to blend the family home into the landscape.
Where possible the values were taken directly from manufacturer technical data sheets and are the actual weights of specific representative products.
This roof ponding repair kit can be topcoated with all commonly used roof coatings to waterproof a flat roof.
It is built on a heritage listed brick building in burnley.
Green roofs can reduce stormwater runoff via water wise gardening techniques.
40mm high perforated edge drainage trim for bauder sedum blanket.
The university of melbourne s demonstration green roof is designed for use by visitors and staff.
Weight of roofing materials.
Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied.
Greenslope is a roof leveling compound that helps eliminate water ponding areas and facilitate flat roof drainage.
Green roofs play a significant role in retrofitting the low impact development lid practices in urban areas.
Once the plants are installed and the soil is moist these rooftop green spaces can weigh as much as 150 pounds per square foot.
Sedum vegetation blanket instantly providing at least 90 coverage on an extensive green roof.
