Green Roof Structure Thickness

Beam design procedure 1.

Green roof structure thickness.

Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight of between 30 and 220 kg m2. Calculate live and dead loads being induced on the slab. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems. Steeply pitched green roof 25 40 sempergreen has the perfect solution for pitched roofs.

With green roofing one can observe a great improvement in health and well being. The substrate gives the right amount of nutrients to the plants so your green roof stays nice and green. This is especially true of intensive green roofs which can have soil that is two feet deep or more. You can compare an intensive roof to a normal garden and this is why an intensive green roof is also known as a roof garden or garden roof.

Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. To achieve healthy construction designs it is important to make a proper selection of green roof construction materials. A green roof with a lightweight solution of 30 kg m2 is only possible with sedum vegetation and a green roof with a weight of 220 kg m2 is composed of a combination of sedum grasses herbs or host plants. Because water runs off the roof more quickly a thicker substrate layer is needed.

Also the green roof drainage layer material is made to be sturdy and strong so that piercing can be limited and that the integrity of the entire program can be retained with ease. 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. These materials will determine the efficiency of the roof and keep your house free from trouble. One important item to design for is an increased structural load.

The green roof drainage layer thickness makes sure that nothing can go wrong below offering a solid and effective guard. Intensive to describe green roofs that are thick enough. There are a number of things to consider when designing for a green roof. 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.