houses improvement, home renovation or remodeling is the process of renovating or making additions to one's home. Building materials and hardware for home improvement Types of home improvement While "home improvement" often refers to building projects that alter the structure of an existing home, it can also include improvements to lawns, gardens, and outdoor structures, such as gazebos and garages. It also encompasses maintenance, repair and general servicing tasks. Home improvement projects generally have one or more of the following goals: [1] Comfort Upgrading heating , ventilation and air conditioning systems (HVAC). Upgrading rooms with luxuries, such as adding gourmet features to a kitchen or a hot tub spa to a bathroom. Increasing the capacity of plumbing systems. Waterproofing basements . Soundproofing rooms, especially bedrooms and baths. Maintenance and repair Maintenance projects can include: Roof tear-off and replacement. Concrete and masonry repairs to the foundation and chimney . Repainting rooms, walls or fences Repairing plumbing