In the current design of the new buildings. As a result, there is a format change more, and roofing sheets steel roof can have a variety of shapes are more implementation. But from the session found that the steel roof is cons in many ways. In the matter of a relatively high price. Dielectric strength, low heat. Only the Sun, but the protection does not protect against the heat. Cause the temperature inside the building. Affect the power consumption within a building, such as the use of air conditioning. Use the fan to make the power are increased, and the cons of the steel roof also is the rain, or when there is a fall of a steel sheet roof.
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