Spectus is a British manufacturer of high quality PVC-u extrusion products for the manufacture of an unrivalled range of wind ... ow and door systems. With its state-of-the-art extrusion plant and advance materials handling systems, Spectus offers products with exemplary reliability across its flexible portfolio of window solutions. A British company with over 30 years of industry experience, Spectus is a name that can be trusted to deliver honest advice on the most appropriate solution for every need. read more