Home improvement services are available in Lisbon. This is a process of remodeling or renovating one or more parts of the house. One can upgrade the heating and air conditioning systems in the house. One can waterproof and soundproof rooms. Maintenance and servicing of the roof, flooring, walls, plumbing and electrical equipment can be carried out. Renovations and internal plans can also be altered, such as adding a room or collapsing a wall to increase the area of a room. One should professional, experienced workers for the major repairs and renovations. A license and insurance are also desirable. Pick the renovators who have good testimonies, who assure you of keeping within budget as well as finishing within the timespan specified. Renovations of lawns, gardens, gazebos, porches and garages may also form a part of the home improvement project.