住宅窗户 rough opening 复尺教程,安装前看哪些点

住宅窗户安装前,rough opening 差一点就会影响防水、shim 和窗框垂直度。以前我见过 crew 只拿图纸尺寸下单,结果现场开口宽了 1/2 inch,后面 flashing 和 trim 都跟着难看。 我的复尺流程是先量 opening 的上、中、下三处宽度,再量左、中、右三处高度,别只取一个点。然后用水平尺看 sill 是否有坡度,确认 king stud、header 和 sill plate 没有明显变形。记录时把窗口编号、楼层、房间和照片放在一起,尺寸有偏差就先问供应商允许的 shim range,再决定是修 framing 还是调整窗型。 经验是,窗户复尺不是采购动作,而是防返工动作。建议同行在防水施工前就把 rough opening、flashing tape 宽度和 weep path 一起确认,等窗到现场才发现问题,时间会很紧。

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