Green Roof Irrigation Costs

Replacing the impervious surface of a conventional roof with.

Green roof irrigation costs.

A biosolar roof is a green roof that has solar panels installed. 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. The following rates for green roof components can be used as a guide. Acquisition maturation maintenance and lifecycle.

They are not normally installed on residential roofs due to the weight. 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. Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures. The cost of any green roof is the sum of four costs.

It may be intensive or semi intensive and usually has modular growing mediums rather than complete coverage. Obviously this price is highly variable depending on whether you want an inaccessible sedum. Green roofs above 2 12 pitch are commonly dry at the top and moist at the bottom. However these costs may also vary according to the issues outlined above under cost considerations.

The environmental protection agency estimates the cost of a green roof at 10 to 25 per square foot. Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology. 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. The better the irrigation the greener the roof.

Finally there is also ongoing costs to consider for maintenance and repairs. Example costs of individual components of green roofs. The green roof portion costs between 25 35 a square foot 2 with the solar panels costing an additional 18 000 20 000. 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.

In larger green roof projects irrigation is best undertaken by a specialist consultant to guide system design component selection installation and maintenance. Table 11 provides an outline of different options for irrigation of green roofs. Installation can be quite expensive. Even though green roofs are low maintenance they still need some care and attention once a year to continue.

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.