Vegetative Roof Stormwater

Skyscape vegetative roof systems provide designers and building owners a full range of design solutions that meet the vision for the space.

Vegetative roof stormwater.

Green roofs also known as vegetated or garden roofs are key green infrastructure elements and are being increasingly recognized for their valuable ability to absorb reduce and delay stormwater from reaching sewers or other grey infrastructure systems says richard hayden garden roof product manager with chicago based american hydrotech. Vegetated roofs increase stormwater retention filtration and evaporation in a predominantly impervious urban area. 1 extensive vegetative roofs which are 6 inches or shallower and are frequently designed to satisfy specific engineering and performance goals and 2 intensive vegetative roofs which may become quite deep and merge into more familiar on structure plaza landscapes with promenades lawn large perennial plants and trees. Research at penn state has shown that green roofs provide considerable reduction in the volume of stormwater leaving a developed site and they reduce the peak rates of runoff.

Projects where the roofer is the green roof installer. Vegetative roofs manage stormwater runoff better than conventional roofs and vegetative roofs are recognized as accepted stormwater mitigation remedies by many municipal and governmental authorities. An added benefit to a vegetated roof is aesthetics and additional functional space. This page provides a brief overview of the role of green roofs in mitigating the heat island effect including green roof types other environmental and social benefits and cost benefit considerations.

The pennsylvania stormwater manual recommends vegetated roofs green roofs as a stormwater low impact development lid practice. Developed by renowned greenroof landscaper furbish and marketed in conjunction with the barrettcompany waterproofing systems the ecocline profile options offer highly efficient stormwater management and guaranteed plant performance in lightweight configurations. Vegetative roofs are divided into two categories. A green roof or rooftop garden is a vegetative layer grown on a rooftop.

Ecocline green roof is a vegetative roof covering unlike any other. Green roofs have been proven to help reduce heat islands. In minimal rain events in. By adding vegetation to a roof it increases the design options.

The vegetated system is loose laid on a cra which helps to protect and extend the lifespan of the roofing membrane. It is estimated that vegetated roofs at the cda s airports retain 70 90 percent of the precipitation that falls on them during the summer and 25 40 percent in the winter.