Reply by MonteCristo

7/8” seems pretty thin for a door. I am thinking they won’t be frame and panel at that thickness – if so they may want to move (bow ?) with humidity swings. I would pin the fixed door top and bottom . That will help with bowing and will make it a lot more rigid. Your floor is likely concrete but a good hammer drill will do the job. If you want decent hinges at a reasonable price I think outdoor “garden” hinges are they way to go.

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