Waterproofing Layer Green Roof

A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof.

Waterproofing layer green roof.

There are many types of waterproofing membrane. A green roof with many fixings onto the roof deck or penetrations such as for lighting power or ventilation may be more suited to liquid applied waterproofing that is sprayed on or rolled on to form a cohesive single layer. Preformed waterproofing may suit green roofs with gentle slopes and large uninterrupted areas. The waterproofing layer is in fact usually the last layer to be applied before the green roof contractor gets to work.

Waterproof membrane in many retrofit cases this layer already exists and depending on it s condition water tightness it may or may not need replacing. From a waterproofing perspective you may want to consider the following draw the line between waterproofing and the green layers. First of all your installation ends before any green roof construction begins. They fall into three main categories extensive intensive and semi intensive.

The course will be launched at the fifth annual international greening rooftops for sustainable communities conference april 29 may 1 2007 in minneapolis. The key to any good green roof project is a good waterproofing membrane. Green roofs are composed of a series of layers that allow vegetation to grow correctly avoiding leaks that may cause damage to the structure of the building. Green roofs also referred to as vegetated roofs eco roofs and roof gardens consist of a layer of vegetation that covers an otherwise conventional flat or moderately pitched roof.

Layers of a typical green roof. Green roof waterproofing with resitrix epdm roofing membranes reliable roof waterproofing for all green roof systems. A green roof is composed of multiple layers which may include a waterproofing roof protection layer moisture interception layer drainage layer leak detection. A green roof is generally a complex build up system involving several layers each with its own specific function.

Green roofs for healthy cities grhc is developing a course on waterproofing and drainage as it relates to green roof design and implementation. The green roof segment harbours a great deal of potential and will become increasingly significant as climate change continues. Earth pledge starting from the existing roof deck and moving up the typical layers of a green roof system are. And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed.

Green roofs are also known as vegetative or eco roofs.