Robust and long lasting. Composite doors will provide your home with maximum security, making them an ideal choice for an exterior door. Keep your home safe and secure with our excellent range of composite doors. Similar in appearance to traditional timber profiles, composite doors have been designed to provide you with the same classic and timeless appearance, without maintenance, rotting or warping issues. Built to withstand seasonal changes and our unpredictable British weather, composite doors are incredibly strong and durable.