Intensive Green Roof Weight

With that in mind the real variable in the weight is the depth of planting material.

Intensive green roof weight.

To bear this weight an expensive custom support structure is required. An intensive green roof weight varies from 35 to beyond 100 pounds per square foot when dry. The depth of an intensive green roof ranges from 15 cm to as much as 150 cm and can easily weigh as much 300 to more than 1500 kg m2. The vegetation consists of shrubs and trees often in combination with ground cover.

You can compare an intensive roof to a normal garden and this is why an intensive green roof is also known as a roof garden or garden roof. Once the plants are installed and the soil is moist these rooftop green spaces can weigh as much as 150 pounds per square foot. 3 media depth 11 14 lbs ft2 20 24 lbs ft2. Layered system extensive growing media.

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. Plant material weight plugs or cuttings system depth dry weight saturated weight. 375 drainage layer 1 water retention layer includes 2 lbs s f.