It really depends on your requirements and we’re here to give expert advice. Thermowood – a specially engineered wood substitute – will never peel, crack, warp, burn or discolour – they are for functional use only and not a security solution. Hurricane Aluminium Shutters protect windows and doors against weather and can be used externally. Made from 100% aluminium they will not rust. If you are looking for stylish shutters that offer good security then ShutterGuard® is the answer – made from aluminium they have a patented 3-way locking system that makes them virtually impenetrable and burglar proof.