Extensive green roofs normally have an attractive low layer of vegetation, around 80 - 100mm high such as grass, moss, sedum or small flowers. They are suitable for both existing and new build roof decks. Let’s look at the differences between them: Extensive green roofsĮxtensive green roofs are a popular option for homeowners as they are lightweight and require very little maintenance with no need for additional watering unless there is a prolonged drought. When it comes to your options, there are two main types of green roof to consider – extensive and intensive. Green roofs are sometimes referred to as living roofs, grass roofs or sedum roofs, but these all relate to the same thing.
#EXTENSIVE GREEN ROOFS HOW TO#
In this guide we take you through the main considerations around choosing a green roof system, how to design it to meet your needs and then we cover green roof construction. They also have a positive environmental impact, attracting wildlife such as birds and insects, and improving air quality in particular in urban areas. Green roofs extend the life and improve the performance of the roof, cutting energy costs. They also deliver a whole range of benefits. Purpose designed to create an inspection point around a roof outlet.A green roof is a great way to create an attractive design feature on an outbuilding like a shed or garage or transform your home. Available in a wide range of species to suit the individual requirements of the project.ĪBG Abpro Aluminium Profiles are designed for use in a variety of green roof applications as an edge restraint or as segregation between different materials.
The ‘plugs’ are varieties of sedums, herbs and perennials, planted by hand to the required density. An attractive mix of more than 16 varieties of sedum with differing colours and leaf forms for low maintenance and extreme drought tolerance.
Extensive substrates are a versatile lightweight general purpose green roof growing media ideal for sedum matting systems and substrate based systems supporting hardier lower maintenance plants such as sedum.ĪBG’s green roof vegetation mats are supplied ready-to-roll-out as an instant vegetation layer. It provides both drainage and attenuation in a convenient, lightweight and cost effective system.Ī blend of water retaining aggregates, crushed brick and organic material mixed to provide an extensive substrate to meet customer specifications. Roofdrain is designed for use in extensive green roof systems. Within an extensive green roof system, the following geosynthetic products and accessories may be used in the extensive green roof design: An ABG Extensive Green Roof System typically consists of a drainage & reservoir layer Roofdrain, a lightweight Extensive growing media, aluminium edge profiles and a vegetation layer.Īn Extensive Green Roof including drainage & reservoir layer, growing media and plug plants. Whilst not providing any kind of amenity area they do contribute to improving air quality, reducing the visual impact of the roof and assist in controlling rain water run-off/ harvesting as well as contributing to the acoustic and thermal properties of the roof.Įxtensive Green Roof Systems are characteristically lightweight, with saturated loadings ranging from 80 – 120kg per m2. Extensive Green Roofs are the most common type and are relatively self-sufficient they are not designed or constructed with the intention of being trafficked by pedestrians.
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