Green Roof Irrigation Costs

Hunter provides a leading selection of overhead and subsurface irrigation products proven to deliver.

Green roof irrigation costs.

In larger green roof projects irrigation is best undertaken by a specialist consultant to guide system design component selection installation and maintenance. Finally there is also ongoing costs to consider for maintenance and repairs. Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology. They are not normally installed on residential roofs due to the weight.

If one fixates on low aquisition cost they are likely to get stuck paying for high maturation expenses high ongoing maintenance costs ongoing headaches and a high lifecycle cost with a system that is short lived. It may be intensive or semi intensive and usually has modular growing mediums rather than complete coverage. Green roof irrigation solutions 1 0 mb selecting a green roof irrigation system depends on a number of variables including the purpose of the roof water availability and growing media. Drainage and protection layers 20 30 m 2.

The following rates for green roof components can be used as a guide. The cost of purchasing the materials is separate from the cost of having the system installed. Replacing the impervious surface of a conventional roof with. The green roof portion costs between 25 35 a square foot 2 with the solar panels costing an additional 18 000 20 000.

As an estimate in the uk the average cost per square meter of extensive green roof system is 50 100 whereas an intensive green roof system is 60 150. And while the segmental or baffled characteristic of liveroof may help to mitigate this phenomenon pitched roofs will certainly require more irrigation than low sloped green roofs. Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures. Acquisition maturation maintenance and lifecycle.

Green roofs above 2 12 pitch are commonly dry at the top and moist at the bottom. Even though green roofs are low maintenance they still need some care and attention once a year to continue. The better the irrigation the greener the roof. Obviously this price is highly variable depending on whether you want an inaccessible sedum.

The environmental protection agency estimates the cost of a green roof at 10 to 25 per square foot. In addition lawn irrigation systems cost approximately 900 on average when purchased for a single home whereas systems for apartments or businesses cost approximately 1 500 and 1 300 respectively. Example costs of individual components of green roofs. Installation can be quite expensive.

Table 11 provides an outline of different options for irrigation of green roofs.