JELD-WEN Folding Fiberglass Patio Doors are built to be resilient and strong so you can be sure they are secure, easy-to-care-for, energy efficient and reliable for many years to come. Fiberglass is a popular choice because of its durability and upscale look of mimicking traditional wood painted doors. They are engineered to not warp, rot or split, making them an economical option that's as durable as they are attractive. Purchase all 3 pieces for complete folding patio door kit. LHF, LH-1 and LH-2 are needed for complete door kit. SKU's 1003458251, 1003458249 and 1003458248 build complete kit.