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

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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

RELIABILT 72-in x 80-in Low-e Argon Blinds Between The Glass White Vinyl Sliding Left-Hand Sliding Double Patio Door in the Patio Doors department at

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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

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