Or more depending on the depth of the soil.
Green roof depth soil.
Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology.
Green roofs or living roofs have become popular over the years.
Soil structure for green roof media.
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.
Liveroof soil specifications will vary somewhat depending on region and available components.
The surface and play requirements are much more demanding than for amenity turf.
Intensive green roofs may use plants with foliage from 1 to 15 feet and may require several feet of soil depth.
It is generally not recommended for hot climates.
When designing a green roof there are several factors to take into consideration.
Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.
The existing roof must be reinforced to carry the additional weight load anywhere from 15 30 lbs sq.
Liveroof engineered green roof soil weighs approximately 27 to 29 lbs sq.
Careful species selection is needed to ensure outcomes can be met.
This is especially true of intensive green roofs which can have soil that is two feet deep or more.
Sports turf requires a designed soil or growing medium to ensure effective drainage and a substrate.
Consult your local grower for specifics.
Replacing the impervious surface of a conventional roof with.
The planting medium in extensive green roofs ranges from 1 6 to 6 inches deep and while deeper systems have been installed they are not favored as much as the shallower systems drought tolerant sedums succulent plants and grasses are the typical plants used since they are shallow rooted and use little water plant diversity on these roofs is kept low to simplify care and to be sure all plants have similar moisture requirements.
While installation of a green roof is initially more expensive than a conventional roof a green roof has a much longer life span than a conventional roof.
These require irrigation and a substrate depth of at least 200 mm.
The lite system is typically used on retrofit projects when the roof is engineered with only 15 to 17 pounds per sf for the green roof component.
Extensive green roofs usually use plants with foliage from 2 to 6 inches and from 2 to 4 inches of soil.
Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures.
This is because they provide ecological benefits aesthetic value and creative urban architecture.
Fully saturated at 4 depth when fully vegetated with liveroof plants.
An intensive green roof is intended to be more of a natural landscape installed on a rooftop.
There are two types of green roof.
Green roof growing media is an integral part of a functioning.
The structural engineer must factor in the weight of completely saturated soil since the plantings and the soil will hold a significant amount of water.
