Green Roof Minimum Depth

Vegetables are the other main group of annual plants used on green roofs.

Green roof minimum depth.

There are two types of green roof. Thicker with a minimum depth of 12 8 cm 5 0 in. Sloped roofs retain less water in general and the moisture content varies from the ridge to the eave lowest edge of the roof. They can support many different kinds of plants but they are heavier and require more maintenance.

The initial expense of green rooftops often turns away prospective clients. Therefor a significant amount of attention must be paid to the various. The schedule below outlines the maximum reimbursement rate for green roof projects. These require irrigation and a substrate depth of at least 200 mm.

There are two types of green roof. 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. So seize the opportunity to elevate your planting to a whole new level with our pick of plants for a soil depth of 50mm. 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.

Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof. Plants for green roofs with a soil depth of 100mm. Green roof projects will undergo an advanced schematic 75 and 100 design review process with a two week review time for each phase. Some green roofs are constructed specifically to support sports turf.

Plants for green roofs with a soil depth of 150mm. They may include a granular drainage medium multi course or a synthetic drainage layer multi layer. They are lighter than intensive green roofs and they don t. How to make a green roof for your bird table.

Drainage thickness of growing media plant varieties etc. The most popular type of green roof sedum roofs are extensive green roofs that have a total depth of 3 to 8 inches. It is the task of the designer to make adjustments in the green roof system accordingly e g. The minimum project amount must be 50 000.

Shallow ranging in depth from 2 cm 0 79 in to 12 7 cm 5 0 in. 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.