On 1/25/08, LiveRoof was tested to see how it performs when its surface is exposed to flame via a test method typically applied to other roof coverings. In this case, a Sedum-populated LiveRoof Standard modular system was installed on top of a plywood deck and subjected to a direct flame for 10 minutes. Following 10 minutes, there was no ignition of the plywood deck and no spread of the flame via the plant material. While, the plants in the path of the flame were scorched and reduced to ash, they did not ignite and spread the flame. Neither did the LiveRoof soil, and the module itself remained intact.
Note: if the LiveRoof modules were populated with plants other than Sedums, which are succulent, the result may vary. For example, if dry grasses were planted in the system, one might expect them to burn and propagate the flame.
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