Introduction
Design considerations
Standards
Design loads
Roof constructions
Thermal insulation
Waterproofing systems
Details
Design of falls – roof slope
Designing for stormwater
Fall protection
Fire prevention
Wind loads
Protection from emissions
Maintenance
The composition of an extensive green roof
Composition
Root barrier layer
Separation, protection and slip layer
Drainage layer
Filter layer
Drainage Systems
Substrate layer
Water retention and water buffering layer
Vegetation layer
Extensive Green Roof System
Roof with sufficient fall 1 in 80 (~0.7 °) to 15 °
a. Warm roof construction / roof
construction without thermal insulation
b. Inverted roof construction
Roof with insufficient fall < 1 in 80
a. Warm roof construction / roof
construction without thermal insulation
b. Inverted roof construction
Roof with additional water reservoir
a. Warm roof construction / roof construction
without thermal insulation
b. Inverted roof construction
Light weight roof construction falls 1 in 80 (~0.7 °) to 15 °
Roof with additional water buffer – lightweight
a. Warm roof construction / roof construction
without thermal insulation
b. Inverted roof construction
Roof with water retention
Medium pitched roof falls 15 ° to 25 °
a. Multi-layer system
b. Single-layer system
Steep pitched roof falls 25 ° to 45 °