In addition to expanding the use of the
roof space, there is an advantage of abundant sunshine, do not worry about
lighting issues. Thus, green roofs, rooftop solar controller is through the distance from
the sun strengths to achieve people's environmental dreams. The popularity of
the concept of green roofs, all the major international cities are popular
since the hanging gardens.
Engaged in the cause of more than ten years
green roof green roof Association Secretary-General Wang Xianmin world view,
green roofs can cure many of the "modern urban disease" - the winter
haze, summer urban waterlogging and lead to high temperature heat island
effect, can be Green roofs relief, because green roofs help purify the air,
rainwater harvesting, cooling insulation.
According to Wang Xianmin observation,
Germany is the green roof of the "leader", as early as 1982 began
this legislation. Later, Japan, Singapore, the United States, France, are
followed, from legislation to encourage green roof. Today, Japan's rate of new
construction of green roofs is 100%.
In the specific practices, the German
legislation, reported that construction of new buildings must have green roofs,
even in rural areas, too, tend to give developers and the government subsidy of
50% to 100% of the green roof construction fees. If there is no roof greening,
the government have the means - to close the drainage fee. This is because
there is conducive to establishing a green roof rainwater collection system, if
the roof bare, will increase the pressure on urban pipeline.
About green roofs, although China is
currently no legislation to be encouraged, but Yang Baojun said, as long
waterproof, load problems can be resolved, in principle, is encouraged. And
Wang Xianmin believes that developers should take up this responsibility, after
all, "real estate construction costs greening costs account for only
1/1000", and the construction of a green roof waterproofing system, you
can also extend the life of the house, "This is the sustainable
development vision. "
In addition to direct green outside, the
roof construction of solar energy projects, make full use of clean energy, but
also the roof is a major contribution to environmental protection. Or in
Germany, thanks to January 1999 from the implementation of "100,000 Solar
Roofs Plan", residents have set up buy solar panels on the roof, the
electricity in addition to their own use, the remaining can be sold to the grid
company, and received power fees. According to 2010 data, relying on the
rooftop power generation, some German families can earn 1,500 euros a year.
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