Roof covering
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United States of America Patent
Stats
-
Aug 13, 1985
Grant Date -
N/A
app pub date -
Jun 23, 1981
filing date -
Jun 30, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A roof covering for greening an inclined roof comprises a water-impermeable roof skin, a holding structure placed loosely on the roof, holding projections distributed on said holding structure and engaging in a plant-carrying layer, a tension-resistant filter layer beneath the holding projections, and a drainage underneath said filter layer and having distributed spacers in contact with said filter layer.
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International Classification(s)
Cited Art Landscape
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