Green Roof Minimum Depth

There are two types of green roof.

Green roof minimum depth.

Plants for green roofs with a soil depth of 100mm. Plants for green roofs with a soil depth of 150mm. The minimum project amount must be 50 000. 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.

Thicker with a minimum depth of 12 8 cm 5 0 in. Vegetables are the other main group of annual plants used on green roofs. Funding for green roofs is determined by green roof area gra and soil depth. Flat roofing solutions bauder flat roofs.

Types of green roofs. The initial expense of green rooftops often turns away prospective clients. The most popular type of green roof sedum roofs are extensive green roofs that have a total depth of 3 to 8 inches. 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. They may include a granular drainage medium multi course or a synthetic drainage layer multi layer. These require irrigation and a substrate depth of at least 200 mm. Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.

There are two types of green roof. The schedule below outlines the maximum reimbursement rate for green roof projects. Tray systems are not a viable option for intensive roofs due to the weight. So seize the opportunity to elevate your planting to a whole new level with our pick of plants for a soil depth of 50mm.

Shallow ranging in depth from 2 cm 0 79 in to 12 7 cm 5 0 in. Some green roofs are constructed specifically to support sports turf. These generally require a 5 15cm 2 6in depth of growing medium that can consist mainly of lightweight inorganic materials such as perlite leca sand rockwool and crushed tiles or concrete. 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.

They can support many different kinds of plants but they are heavier and require more maintenance.