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Title
The NRCA Vegetative Roof Systems Manual, Second Edition
Date
2/2009
Author(s)
NRCA
Page(s)
Keyword(s)
vegetative systems; green roofing
Abstract
The NRCA Vegetative Roof Systems Manual - Second Edition is written to provide technical information concerning the design and installation of quality vegetative roof systems. This manual addresses technologies available for vegetative roof systems, including the waterproofing system and its associated components, such as a protection course, a root barrier, drainage layer, thermal insulation and aeration layer, and an overburden of growth medium and plantings. Best practices are included for the design and installation of extensive, semi-extensive and intensive vegetative roof systems.

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