Flat Green Roof Extension

There are two main types of green roof.

Flat green roof extension.

However vegetation for this type of roof is limited to sedum grasses and mosses contained within a sedum blanket. 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. They also deliver a whole range of benefits. Supplied as a complete system this type of roof can be built using a only 50mm soil base and lightweight construction.

Extensive green roofs are a surface treatment for rooftops typically less than 6 inches in depth involving the addition of growth media and plants to create a sustainable green space on a flat or nearly flat roof. Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations. Green roofs extend the life and improve the performance of the roof cutting energy costs. A green roof is in ecological terms a great and simple thing to do.

Flat or gently sloping roofs are most accommodating for green roofs but roofs with as much as a 40 slope can support vegetation with appropriate engineering and soil retention devices. Extensive green roof advocates have claimed numerous benefits including improved air quality stormwater attenuation reduction of the heat island effect extended roof life and aesthetic value. Planted with hundreds of low growing succulents the little flat roofed extension off their 1925 colonial revival helps slow down and filter rainwater runoff.