Singcore.com Makes the largest, strongest, and lightest weight. French doors made with Sing core panels are exquisite elegance with high function and performance in the most elite applications for homes and patios. When transitioning from one environment to another, Sing panel French doors offer a spectacular gateway that offers protection from the elements while providing a beautiful panoramic view of the landscape. French doors made with Sing panels come complete with complimentary lite opening cutouts allowing the beauty and luminance of the outdoors to visit the interior of your home. Whether single or multiple French doors, Sing panel French doors provide an impressive focal point to your classic home, office, restaurant or other commercial application. French doors made with Sing panels are available in any size (up to 50 feet) or shape per your specification and can be used in sliding door configurations. You may choose from our stock panels or order custom-sized panels. Sing Core specializes in large oversize doors. Many educated homeowners demand that their trade professionals (architects, millworks, contractors, etc.) use Sing Core products in their home projects.