| 摘要 |
The invention provides a structural assembly for use in a building comprising a pair of strip elements which form adjacent horizontal and vertical sides of a frame and a corner piece joining said two strip elements together, said corner piece comprising a hollow body, formations at right angles to each other on said hollow body providing respective spigot-and-socket connections with said two strip elements, said body of said corner piece having a moisture retaining wall arranged so that moisture draining from one of said strip elements into said corner piece, on that side of said moisture retaining wall which includes the spigot-and-socket connection for the strip element which provides said vertical side of said frame, is contained therein by said wall.
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