The initial expense of green rooftops often turns away prospective clients.
Green roof minimum depth.
How to make a green roof for your bird table.
There are two types of green roof.
So seize the opportunity to elevate your planting to a whole new level with our pick of plants for a soil depth of 50mm.
They can support many different kinds of plants but they are heavier and require more maintenance.
Thicker with a minimum depth of 12 8 cm 5 0 in.
Plants for green roofs with a soil depth of 100mm.
Flat roofing solutions bauder flat roofs.
There are two types of green roof.
Plants for green roofs with a soil depth of 150mm.
Shallow ranging in depth from 2 cm 0 79 in to 12 7 cm 5 0 in.
Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.
The minimum project amount must be 50 000.
Therefor a significant amount of attention must be paid to the various.
Because green roofs require professional design careful structural analysis and multiple layers and systems even extensive green roofs usually start at 8 per square foot significantly more expensive than the 1 25 per square foot for built up roofs burs source.
Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs.
Vegetables are the other main group of annual plants used on green roofs.
Some green roofs are constructed specifically to support sports turf.
The most popular type of green roof sedum roofs are extensive green roofs that have a total depth of 3 to 8 inches.
They are lighter than intensive green roofs and they don t.
Funding for green roofs is determined by green roof area gra and soil depth.
They may include a granular drainage medium multi course or a synthetic drainage layer multi layer.
Types of green roofs.
Intensive green roofs weigh from 35 pounds to beyond 100 pounds per square foot when dry it is all a matter of the soil depth which is affected by the amount of mounding that is used.
These require irrigation and a substrate depth of at least 200 mm.
Tray systems are not a viable option for intensive roofs due to the weight.