Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 18, 2018
Patent Application Number
14635219
Date Filed
March 2, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A roof-greening cassette, at least partially or predominantly having walls and/or bases made of (porous) material having pores, the porous material having the following properties: (a) a water absorption of 15 to 30 liters/m2 in the case of a material thickness of 30 mm, and (b) a water permeability normal to the plane of 8 to 16 liters/(m2 s), in the case of a water column of 200 mm and a material thickness of 30 mm.
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