The UK’s Strongest Composite Doors. Our impressive selection of door styles is sure to provide you with your dream front door. If you’re unsure what door would suit your home, let our range be your source of inspiration. Choose from our 18 colours to decorate your composite door with a personal touch. Whether you’re looking for something vibrant or something subtle, we can help make things easy for you. Capturing your perfect composite door look doesn’t need to stop at door style or colour. We offer a wide range of high quality hardware accessories, perfectly designed for a beautiful finish. Find your nearest Preferred Endurance Installer through our simple post code search.