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72 in. x 80 in. W-5500 White Clad Wood Right-Hand 15 Lite French Patio Door w/Unfinished Interior

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The French patio door installed at my house was too small for the rough opening, so there is a gap between the concrete slab and threshold of about 1.5”. What is the

JELD-WEN 72-in x 80-in Low-e External Grilles Primed Steel French Right-Hand Outswing Double Patio Door