How to Flash a Window?

#WindowRepair

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Open the window fully or to the desired position

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Clean the window frame and glass

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Apply flashing tape or flashing membrane around the rough opening

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Start with the sill flashing at the bottom

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Overlap the side flashing over the sill flashing

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Install the top flashing so it overlaps the side flashing

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Press all flashing firmly into place

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Seal any gaps or seams with compatible sealant

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Install the window according to the manufacturer’s instructions

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Add exterior trim or siding over the flashing as needed

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Inspect for complete coverage and proper overlap

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