Retention fabric for dry environments, shallow soils and non-irrigated vegetated roofs; a good precaution for hot regions (i.e., Zones 1-3) and as a means to total roof weight reduction.
Water retention and drainage composite systems that provide bulk water drainage, water retention for vegetation and a basic root barrier protection of underlying waterproofing membranes.
Insulation
Rigid insulation boards provide thermal insulation of underlying deck assembly.