Traditional roofing is designed 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 approximately 50% more to install. So why would you think about building a green roof?

What is ecological roofing

An environmentally friendly roof (GR) offers a base on top of a structure by which various plant life may grow. Recent GR progress has been developed in Germany. About 10% in the buildings in Germany are green. The covering is built up in layers, each layer fulfilling an alternative function. The base layer sits on the top of the substrate and offers a waterproof seal towards the building. This might come by means of metal tray roofing or even a synthetic membrane. A drainage layer is included in allow water to evacuate the rooftop, accompanied by a filter and root protection layer. The root protection membrane prevents plant growth from puncturing the waterproof membrane and causing leaks. The final layer will be the growing medium wherein 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 referred to as Eco roofing) is utilized to advertise the expansion of mosses, herbs and grasses. The growing medium is relatively shallow with a depth of between 60-200mm. The load from the plant medium is 60-150kg per square metre. Eco roofing is used where there is very little or no human foot traffic and low maintenance roofing is necessary. This type of roofing will be the cheapest to put in.

Intensive green roofing – Roof gardens and park gardens are constructed using Intensive green roofing. This category of roofing provides the widest range of planting opportunities. Shrubs, flowers as well as trees may be utilised. The depth in the growing medium is between 150-400mm. This pushes the weight per square metre approximately 180-500kg and requires a substantial structure to aid it.

Bio diverse green roofing – Bio diverse roofing is made to be left alone to reproduce an all natural ecosystem. Soil levels on the surface are varied to generate a variety of different habitats for various species. Local plants are grown and wind swept seeds can take root. Bio diverse roofing is usually targeted at providing a specific habitat to get a threatened species.

The rewards for the building – Green roofing can turn an unattractive urban roof into an attractive feature. As well as the aesthetic useful, living roofs provide numerous financial benefits. The waterproof membrane on roofs is subjected constantly to Ultra Violet light. These Ultra violet rays breakdown the surface of the roofing causing leaks and the necessity for early replacement. The growing medium of just living roofs offers a protective layer preventing damage from the sun. This could twice the life span of the roofing and recoup the initial extra expense of installation. Further, green roofing offers a thermal layer keeping your building cooler in summer and warmer during winter. Planners within local government have recently realized the advantages of ecological roofing. Many district councils offer financial incentives to developers using green roofing on new buildings. This trend will continue as the requirement to reduce carbon emissions increases.

The benefits for your environment – Urban roofs built with traditional roofing materials absorb the suns rays and emit them as heat. It has resulted in the urban heat island effect. This effect is most noticeable during the night with urban areas being warmer than surrounding areas. Air temperature in London is all about 6 degrees higher during the night due to the urban heat island effect. Green zjghhj will not absorb the heat radiation therefore the effect is mitigated. Thus, the requirement for air conditioner could be reduced in hotter climates.

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

Depending on the growing medium and also 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 in addition to providing food for bee’s and seed eating birds. Essentially ecological roofing replaces the green footprint removed through the building.

Modern roofing materials offer a lighter, easier to maintain selection for eco roofing. Lightweight mats and module trays allow localized maintenance without the need to consider the Green Roof Trays. Thinking about the huge financial and environmental benefits associated with living roofs, the near future for green roofing looks rosy.

Modular Green Roof Trays..

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