Traditional roofing is made to shed water as soon as possible from the Green Roof System. Conversely, green roofing actually holds water on the roof. It may also make maintenance more challenging and can cost up to 50% more to install. So why would you consider building a green roof?

What exactly is ecological roofing

A green roof (GR) supplies a base along with a structure where various plant life may grow. Recent GR progress continues to be developed in Germany. About 10% of the buildings in Germany are green. The covering is made up in layers, each layer fulfilling another function. The base layer sits on the top of the substrate and provides a waterproof seal for the building. This might come in the form of metal tray roofing or a synthetic membrane. A drainage layer is included in allow water to evacuate the roofing, followed by a filter and root protection layer. The basis protection membrane prevents plant growth from puncturing the waterproof membrane and causing leaks. The last layer is definitely the growing medium where the plant growth is bedded. Green or “living roofs” can be divided into three main categories. Extensive, Intensive and Bio diverse.

Extensive green roofs

Extensive GR, (also called Eco roofing) is utilized to advertise the development of mosses, herbs and grasses. The growing medium is comparatively shallow with a depth which is between 60-200mm. The load in the plant medium is 60-150kg per square metre. Eco roofing is used where there is little or no human foot traffic and low maintenance roofing is necessary. This kind of roofing will be the cheapest to set up.

Intensive green roofing – Roof gardens and park gardens are constructed using Intensive green roofing. This group of roofing provides the widest selection of planting opportunities. Shrubs, flowers and also trees can be utilised. The depth from the growing medium is between 150-400mm. This pushes the weight per square metre approximately 180-500kg and requires a significant structure to back up it.

Bio diverse green roofing – Bio diverse roofing was created to be left alone to breed an organic ecosystem. Soil levels on the surface are varied to generate a variety of different habitats for different species. Local plants are grown and wind swept seeds can take root. Bio diverse roofing is usually geared towards providing a particular habitat to get a threatened species.

The advantages for your building – Green roofing can make an unattractive urban roof into an great looking feature. Along with the aesthetic value added, living roofs provide numerous financial benefits. The waterproof membrane on roofs is subjected constantly to Ultra-violet light. These UV rays breakdown the top of the roofing causing leaks and the requirement for early replacement. The growing medium of living roofs offers a protective layer preventing damage through the sun. This could double the amount lifespan from the roofing and recoup the primary extra expense of installation. Further, green roofing offers a thermal layer keeping the property cooler in summer and warmer in the wintertime. Planners within local government have now realized the benefits of ecological roofing. Many district councils offer financial incentives to developers using green roofing on new buildings. This trend continue as the requirement to reduce carbon emissions increases.

The rewards for that environment – Urban roofs designed with traditional roofing materials absorb the suns rays and emit them as heat. It has led to the urban heat island effect. This effect is most noticeable during the night with urban areas being warmer than surrounding areas. The environment temperature in the uk is about 6 degrees higher at nighttime as a result of urban heat island effect. Green zjghhj will not absorb the temperature radiation therefore the effect is mitigated. Thus, the need for air cooling may be reduced in hotter climates.

Mass urbanisation contributes to high water run off and flooding. Huge areas of concrete and tarmac stop the natural drainage of heavy rainfall. Green roofing absorbs between 50-75% of rainfall, gradually releasing it back into the environment. This evaporation process also cools your building reducing energy consumption and carbon emissions further.

Depending on the growing medium and the species present, green roofing can store up to 239 grams of carbon per square metre. It provides a valuable habitat for plants and insects along with providing food for bee’s and seed eating birds. Essentially ecological roofing replaces the green footprint removed from the building.

Modern roofing materials give a lighter, easier to maintain option for eco roofing. Lightweight mats and module trays allow localized maintenance without the need to take the Green Roof Modules. Considering the huge financial and environmental advantages of living roofs, the near future for green roofing looks rosy.

Green Roof Modules..

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