This information is presented as a means of providing an introduction to the operations and products of participating window suppliers. The information is being continuously updated. It is not provided with the intention of arriving at a contractual relationship. It is not provided with the intention of giving a comprehensive understanding of the way in which participating companies and their products perform or their suitability for use in any particular environment or circumstance – such an understanding should be based on individual technical information which relate to the company’s products at the time of manufacture and on the advice of those qualified to advise on such matters.