Waterproof aluminum alloy door and window

The utility model discloses a waterproof aluminum alloy door and window which comprises a glazing bead, a glass gasket is arranged at the position of a groove in the outdoor side of the glazing bead, first glass, second glass and third glass are arranged at the top of the glass gasket respectively, and a drainage hole is formed in the outdoor side of the glazing bead. According to the utility model, the hollow glass with three layers of glass and two layers of cavities is used, and the thickness of the cavity layer is 12mm, so that the glass achieves the best balance between the thermal insulation performance and the cost; secondly, the thickness of the polyurethane heat insulation block formed by pouring a high-density polyurethane material is 45 mm or above, so that the polyurethane heat insulation block is more suitable for doors and windows of ultra-low energy consumption buildings; finally, warm edge spacing bars are selected for the edges of the hollow glass, so that the thermal insulation performance o