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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Therma-Tru Benchmark Doors 32-in x 80-in Fiberglass Left-Hand Outswing Ready To Paint Prehung Single Front Door Insulating Core in the Front Doors department at

Masonite 32 in. x 80 in. Cheyenne 2-Panel Left Hand Inswing Painted Smooth Fiberglass Prehung Front Exterior Door No Brickmold 40345 - The Home Depot

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

What can you do if a rough opening is too small for sliding patio doors ( doors, framing, patio, DIY)? - Quora

JELD-WEN 60 in. x 80 in. V-4500 Contemporary White Vinyl Right-Hand 10 Lite Sliding Patio Door THDJW155900194 - The Home Depot

Moisture Issues from an Outdoor Concrete Slab - Fine Homebuilding

Filling Gap between Metal sliding door base and concrete slab : r/Concrete

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framing - How to secure threshold of exterior door on concrete slab - Home Improvement Stack Exchange

framing - How to secure threshold of exterior door on concrete slab - Home Improvement Stack Exchange