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Abstract
In order to better understand modular systems and the many advantages they offer, we must address their definition, application opportunities, and other reasons to consider modular green roofs. Depending on whether the green roof is designed as either an extensive or intensive one, we know green roofs in general employ either a single-ply or multi-ply waterproof roofing membrane, with a root barrier if the type of membrane is organic in nature. A single or multi-layer drainage material follows, with a non-woven,non-biodegradable filter fabric on top of the drainage layer to retain the soil media (Note: Some drainage components include root barrier material in their filter fabric). Insulation is optional although most often recommended, and may be located either 1) above (most common) or below the roof deck; 2) above the roofing membrane (protected membrane,common in Europe) or 3) below the roofing membrane (conventional), as determined by the architect or contractor. Finally, the engineered substrate/soil media or planting medium is determined and placed along with appropriate green roof plants, according to the landscape architect/green roof designer.
In order to better understand modular systems and the many advantages they offer, we must address their definition, application opportunities, and other reasons to consider modular green roofs. Depending on whether the green roof is designed as either an extensive or intensive one, we know green roofs in general employ either a single-ply or multi-ply waterproof roofing membrane, with a root barrier if the type of membrane is organic in nature. A single or multi-layer drainage material follows, with a non-woven,non-biodegradable filter fabric on top of the drainage layer to retain the soil media (Note: Some drainage components include root barrier material in their filter fabric). Insulation is optional although most often recommended, and may be located either 1) above (most common) or below the roof deck; 2) above the roofing membrane (protected membrane,common in Europe) or 3) below the roofing membrane (conventional), as determined by the architect or contractor. Finally, the engineered substrate/soil media or planting medium is determined and placed along with appropriate green roof plants, according to the landscape architect/green roof designer.
Date
5/2003
5/2003
Author(s)
Linda Velazquez,
Linda Velazquez,
Page(s)
Keyword(s)
green roof; modular system
green roof; modular system