Bring the outdoors inside by opening up your home with Infinity from Marvin replacement bi-fold doors. These doors feature panels that fold open and closed, transforming your space while expanding your view and inviting fresh air inside. Expertly engineered with a top-hung design, Infinity from Marvin bi-fold doors offer smooth maneuverability and effortless fingertip operation. Experience the highest level of functionality in replacement bi-fold doors.