| 摘要 |
PURPOSE: A prefabricated roof waterproof system is provided to construct as a tiled roof or a slate roof in a prefabricated method instead of a conventional waterproofing method for preventing a flat roof composed of a reinforced concrete slab from leaking water. CONSTITUTION: In the prefabricated roof waterproof system, a floor plate(10) and a main drain(20) instead of constructing a waterproof layer or a waterproof protective layer closely to a flat roof slab(10) are formed for a primary waterproofing effect, a sub-drain(60), an intermediate drain(40) and the main drain(20) are formed for a secondary waterproof effect, waterproof paints of a roof slab(70) and an intermediate gutter are formed for a third waterproofing effect, an overflow pipe is formed for a fourth waterproofing effect, and a space between the floor plate(10) and the roof slab(70) is utilized as a thermal insulating layer, a soundproofing layer and a space for preventing cracks or checking waterproofing defects.
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