Construction method of hydrophobic terrace

The invention discloses a construction method of a hydrophobic terrace. Belongs to the technical field of constructional engineering. According to the technical scheme, the method comprises the six steps that when the basement floor is constructed, a'anti-drainage combination 'method is adopted, on the basis that the bottom plate is waterproof, a gravel water filtering layer is arranged to guide water generated by leakage at the weak position of the bottom plate into a drainage ditch and a water collecting well, the construction problem of water seepage of the bottom plate is solved, and therefore the construction quality of the basement floor is guaranteed. The gravel water filtering layer is additionally arranged on the reinforced concrete structural slab, and the blind pipes are additionally arranged in the water filtering layer, so that seepage water at the weak position of the bottom plate can be well guided into the drainage ditch, the bottom plate water seepage phenomenon is effectively treated, the co