Green Roof Systems Manual
Where esd practices like green roofs are used.
Green roof systems manual. Green roof systems can be modular layered systems already prepared in trays including drainage layers growing media and plants or each component of the system can be installed separately on top of the structure. Green roofs and green gardens create a human value in which the flora and fauna get a whole new living space which has a positive effect on health and well being. Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less. The nrca vegetative roof systems manual.
Of these layers the substrate stores runoff while supporting plants and the. Green roof design installation is part one of the three part green roof professional grp training series this course will provide you with the latest information on green roof benefits technical standards product innovations and design and installation best practice. Was added to the manual in april 2009 the typical green roof system consisted of a waterproof membrane a drainage layer growing substrate and vegetation. This will enable the plants to sink their roots into the substrate.
Green roof systems may be modular with drainage layers filter cloth growing media and plants already prepared in movable often interlocking grids or loose laid built up whereby each component of the system may be installed separately. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. Fertilize the green roof immediately after installation. Green roof systems can be shallow typically referred to as extensive or deep typically referred to as intensive.
These green surfaces provide recharging and relaxation directly in the living environment but they also have significant ecological and economic significance. Discover the benefits of xeroflor s pre vegetative roof systems. 978 1 60469 049 1 the nrca vegetative roof systems manual 3rd edition national roofing contractors association. Maintenance manual immediately after installation.
These systems are ideal for efficient stormwater. The green roof manual edmund snodgrass linda mcintyre 2010 timber press isbn. Extensive green roofs. If the green roof is installed in a warm and dry period we recommend watering the green roof regularly for the first 2 to 3 weeks.