How To Waterproof A Green Roof

A green roof system usually includes a root barrier to protect the waterproofing from aggressive plant roots that can penetrate the membrane.

How to waterproof a green roof.

Waterproofing and structural design considerations for green roofs. From a waterproofing perspective you may want to consider the following draw the line between waterproofing and the green layers. The green roof segment harbours a great deal of potential and will become increasingly significant as climate change continues. The waterproofing layer is in fact usually the last layer to be applied before the green roof contractor gets to work.

Green roofs for healthy cities grhc is developing a course on waterproofing and drainage as it relates to green roof design and implementation. A green roof brings a wealth of benefits when it is skillfully designed soundly constructed within the load bearing capacity and has a waterproofing system in excellent condition. Green roof waterproofing with resitrix epdm roofing membranes reliable roof waterproofing for all green roof systems. 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.

First of all your installation ends before any green roof construction begins. Preformed waterproofing may suit green roofs with gentle slopes and large uninterrupted areas. The course will be launched at the fifth annual international greening rooftops for sustainable communities conference april 29 may 1 2007 in minneapolis. Here green roof installer rob gaffney adds a second layer of rubber roofing membrane as a root barrier to prevent damage to the roof.