Roof Garden Layers

Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions.

Roof garden layers.

Insulation layer protection layer makes a terrace garden resistant to moisture and temperature fluctuation and provides it sufficient mechanical strength. Green roofs are also known as vegetative or eco roofs. With a green roof the plants layer can shield off as much as 87 of solar radiation while a bare roof receives 100 direct exposure. The clay and silt content of materials used in a rock aggregate drainage layer should be 10 per cent by mass.

It is made mostly of xps extruded polystyrene boards pir panels or polyurethane foam. They fall into three main categories extensive intensive and semi intensive. The layers of a green roof regardless of the depth of growing media soil and plant types used above the underlying architectural elements of most vegetated roof systems are typically the same with each layer playing a crucial role. The layers of a green roof are as follows from top to bottom.

It is made of a filtration veil and the polyamide monofilament fibre network layer. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. If you re in an area with a lot of humidity and or rain during the growing season you would need a media that dries out fast. Layers of a typical green roof.

Bauder sdf drainage layer. In short a green roof is made to purposely grow grass. Protection drainage and filtration. The rock aggregate should also have a suitable ph and be low in soluble salts to ensure plant growth is not adversely affected.

Replacing the impervious surface of a conventional roof with. The plants that go into a green roof are usually sedum or other shallow rooted plants that will tolerate the hot dry windy conditions that prevail on most rooftop gardens. When selecting a growing medium for a roof top garden consider average rainfall in the summer months average high and low temperatures during the growing season and the types of plants to be grown and their needs. Older green roofs often used a permeable layer of rock aggregate such as scoria or gravel for drainage.

To make this process work various green roof layers are created to give it the most effective and solid chance of being successful.