Green Roof Slab Thickness

Intensive to describe green roofs that are thick enough.

Green roof slab thickness.

For roof gardens an extra load of 400 750 kg m2on the structure of the building must be accounted for compared to the 60 250 kg m2 of the extensive green roof. The nominal thickness of a green roof is the approximate total height of the soil and drainage components that constitute the green roof system excluding the roof structure insulation waterproofing and plants. There are two types of green roof. Extensive green roofs are principally created for their ecological advantages.

The entire thickness of the layer is usually between than 6 to 15 cm. Flat roofing solutions bauder flat roofs. Intensive green roofs have a higher weight and require a minimum soil thickness of at least 30 cm compared to the 5 12 cm of the latter. Roofs with the thinnest vegetation blankets weigh around 45 to 60 kg m2 while thicker ones can be 160 to 250 kg m2 when wet.

They provide shade to the top of a building evapotranspiration. 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 and require minimal maintenance.