The application of timber-aluminium windows allows maintaining the warm climate in the interior, with the concurrent guarantee that the outside aluminium will ensure the best possible protection from the impact of atmospheric conditions, thereby guaranteeing their long lifetime. Durability and simplicity of maintenance make it the best choice in respect of cost-effectiveness. Durability of such windows and simplicity of maintenance makes the costs of exploitation minimum. You will never have to paint the surfaces of aluminium. By selecting the windows from the combination of timber and aluminium, the customer receives practically indestructible product as the aluminium protects the timber as the bark protects the tree.