An object of the present invention is to provide an external wall construction capable of inhibiting water penetration into the external wall construction reliably; and a sealing fixture, an external wall panel, and an external wall constructing method, which are used for the external wall construction. ;In the external wall construction, a securing metal fitting is installed at an upper side portion and a lower side portion of the external wall panel, and the external wall panel is mounted on an underlayment. The external wall panel has a notched recess formed on a left side portion and a right side portion along the vertical direction. A sealing fixture is arranged between the adjacent left and right external wall panels. The sealing fixture has a base plate portion fixed to the underlayment, a rising plate portion erected at the base plate portion, and a front plate portion arranged at the rising plate portion, wherein a front resilient material is provided at the front face of the front plate portion. The front resilient material and the front plate portion are engaged into a notched recess of the external wall panel.
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