 790-11 Green Roof System and Components
The most important aspect of any green roof system is its ability to protect your building by keeping water out. This is why Henry® incorporates the use of its flagship membrane 790-11 Hot Rubberized Membrane in our Green Roof System.
790-11 Hot Rubberized Membrane
A two ply, fully adhered and monolithic membrane provides the best membrane performance available.
was first used in 1967. Since then, millions of square feet have been installed in waterproofing and roofing applications throughout North America and Europe.
is a rugged, flexible membrane having unsurpassed adhesion to the substrate in a joint free impervious application.
For a more environmentally friendly grade choose 790-11 EV containing at least 25% post consumer recycled content and is packaged in recyclable cardboard boxes.
DBR Rootbloc
system provides a root barrier/water retention/drainage layer material in a complete Green Roof System.
does not contain any dangerous pesticides or herbicides. Specially treated fabric is strategically located at the soil level to protect the drainage plane and insulation from root damage.
contains prefabricated storage cores to reduce storm water runoff and provides moisture for the growing medium.
contains channels to provide aeration for the soil and maximizes excess water drainage.
Typically is used for extensive applications where grasses/small plants with a non-aggressive root system.
Typically is used for intensive applications where larger plants/trees with more aggressive root systems.
G100s/s Protection Course
is an SBS modified bitumen protection course over the 790-11 membrane provides a flexible and durable protection layer over the membrane.
Rootbloc 20
is a commercial grade flexible sheet liner containing no herbicides or pesticides. It is used as an optional secondary root barrier layer for intensive systems having larger plants or trees with more aggressive root systems.
Filter Fabric
is non-woven geotextile filter fabric. It is non-biodegradable material resistant to most soil chemicals, acids and alkalines.
Component | Description | Features | 790-11
790-11 EV | 2ply hot rubberized asphalt roofing and waterproofing membrane | • High reduced content • No toxic chemicals
| G100 s/s | SBS modified bitumen protection course. | • Flexible and durable protection layer over the membrane | Rootbloc 20 | Commercial grade flexible sheet liner | • No herbicides or pesticides
• Over 30 years of successful commercial applications | DBR Rootbloc 50
DBR Rootbloc 100 | Polymeric core sheet with a top fabric root barrier and a bottom fabric geotextile separation layer. | • High compressive strength
• Root barrier at soil level
• Excellent water storage
• Optimal drainage | Filter fabric N04 | Non – woven geotextile filter fabric | • Non – biodegradable
• Resistant to most soil chemicals, acids and alkalines. |
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