Flat Green Roof Extension

They also deliver a whole range of benefits.

Flat green roof extension.

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. A sloping green roof provides the bonus of greater visibility from the ground. However vegetation for this type of roof is limited to sedum grasses and mosses contained within a sedum blanket. 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.

Residential green roofs such as theirs protect natural waterways from oily street residue by lessening the chances that municipal storm drain systems will overflow. Planted with hundreds of low growing succulents the little flat roofed extension off their 1925 colonial revival helps slow down and filter rainwater runoff. It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away. 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. Supplied as a complete system this type of roof can be built using a only 50mm soil base and lightweight construction.