Installing Exterior French Doors: Prepare the Rough Opening - Fine Homebuilding

This is an old house. Is it cross-legged? Is it plumb? Is it level? Is it square? These are important factors when you install a patio door.

How-To Prepare a Rough Opening

Installing Exterior French Doors: Fit the Doors - Fine Homebuilding

Gap on the right door of new exterior french doors. : r/Carpentry

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