Green Roof Slab Thickness

They provide shade to the top of a building evapotranspiration.

Green roof slab thickness.

Intensive to describe green roofs that are thick enough. Extensive green roofs are principally created for their ecological advantages. 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. 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.

Green roofs reduce the temperature of the building and the surrounding air in multiple ways. It is common practice to use the term extensive to describe green roofs that are very thin and will only support hardy drought resistant vegetation such as sedums herbs and perennials. 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. The plants in a green roof absorb water through their roots and then use surrounding heat from the air to evaporate the water while some roofs can reach temperatures of up to 90 f in the summertime these two features can allow.

Flat roofing solutions bauder flat roofs. The entire thickness of the layer is usually between than 6 to 15 cm.