GREENLINE, a registered KOMMERLING trademark, is the name given to U­PVC window profiles made using the latest stabilizers. Underlying this convention is contract stipulating the conditions that must be met by the undersigned window manufacturer in order to be entitled to use the greenline trademark.

The purpose of this agreement regulating the use of the trademark is to contractually specify the particular environmental responsibility of the undersigned window manufacturer and of profine, recognisable form for the benefit of builders and architects.

The greenline Convention provides builders with written confirmation that, with their outstanding combination of materials, these state­of­the­art windows cause the minimum environmental impact. Under the terms of this agreement, the window manufacturers and profine undertake to abide by the seven stipulations listed. Use of the greenline mark is only permitted when all the conditions mentioned have been met, and in addition, when this trademark contract has been signed by both partners, the window manufacturer and profine, and has become legally effective. This agreement is available for inspection at any time by any interested persons. Windows bearing the greenline mark must be made with profine profiles, and proof must be provided. This proof takes the form of the greenline Declaration on the order confirmation or the invoice, profine gives its contractual partners a guarantee that the fresh U­PVC used to make its window profiles contains the latest calcium/zinc stabilizers in place of lead and/or are made from recycled PVC­U. The window manufacturer gives an undertaking to abide by the relevant quality directives in all respects, form the correct manufacture of the structural elements to the installation by experts, and to supply a quality product that conforms to the latest technical standards.

The window manufacturer declares that no environmentally harmful materials have been used in the installation and sealing of the structural elements. The structural elements, which are manufactured in accordance with the greenline Convention, may be marked with a lable attached to the profile bearing the greenline symbol. Partners in the greenline scheme, and profine, will support joint marketing measures by the contractual partners to publicize greenline. Adherence to the terms of this contract is the responsibility of the respective contractual party, with its own services, profine does not assume overall responsibility. Through the use of the greenline symbol the window manufacturer does not acquire any rights to this trademark.