Treatment Of Deck Drains In Green Roof
Flexible designs to accommodate standard and custom green roof specifications learn more.
Treatment of deck drains in green roof. Designed as a lightweight low profile system the garden roof assembly can be safely installed on roof and plaza decks not engineered to handle the heavy load requirements of a traditional green roof. Hydrotech s garden roof assembly allows the design professional to transform virtually any flat or sloped roof into a landscaped environment. They are pre assembled drain cores with root resistant filter fabric attached to top layer. Plaza decks and green roofsplaza decks and green roofs january 16 2009 crca 26th annual trade show speaker.
Our flexible adaptable components can be configured to meet even the most challenging custom green roof specifications. The first stage of the drain basin weep holes screens or perforations removes surface moisture from the structural slab membrane interface. Z110 green roof drain shown with 18 height for intensive green roofing applications. Heavy gauge plate with dual functionality reduces labor on all metal deck installations learn more.
Intensive layered green roof intensive green roofs have a deeper soil depth therefore the roof drain enclosure height is typically 12 or more. Green roof drains watts unique designs are engineered to accommodate the fast emerging and often shifting requirements for green roof drainage. Deck flange roof drain extensions. Flow of water into them is promoted by positive drainage.
Z110 green roof drains are available with enclosure heights ranging from 5 to 18 or as specified. For flat or nearly flat roofs primary drains are located at the lowest point of the roof. Depending on regional precipitation rates and the water retention goals for your specific project green roof solutions has a full range of products to meet your needs. The root resistant filter fabric prevents fine particles from being washed out and prevents roots from becoming saturated and affecting the efficiency of the drain layer.
Secondary overflow drains are located at a higher point on the roof. J drain grs 400 rb is our most popular drain products under planted areas on greenroofs. Drain basins are perhaps the most critical plaza deck performance feature and must have a 2 stage or promenade plaza deck drain assembly. Bituthene deck system combines bituthene 4000 sheet membranes with bituthene deck prep to provide a durable waterproofing system capable of accepting a wide variety of wearing surfaces on above occupied space inverted roofs green roofs and elevated concrete decks.
And because the assembly incorporates hydrotech s. Unique footprint reduces deck penetrations saving installation labor while. Grs drainage products typically fit into a green roof system above the grs root barrier and below the grs filter fabric.