Exterior wall decorative panel is a new type of integrated material for building exterior wall decoration and insulation developed in recent years, which is composed of polyester baking paint or fluorocarbon paint, carved aluminum zinc alloy steel plate, polyurethane insulation layer and glass fiber cloth; It is mainly used for exterior wall decoration and energy-saving reconstruction of gymnasiums, libraries, school and hospital office buildings, villas and other buildings; The main functions are building decoration, heat preservation, energy conservation, heat insulation, sound insulation, waterproof and mildew proof. The metal surface decorative insulation board is a large external hanging wall board produced in industrialization. It has good durability and low maintenance cost due to dry installation construction. It integrates the external wall insulation and decoration functions, conforms to the development direction of building energy conservation "modularization" technology, and is an advanced technology vigorously promoted in the field of external temperature protection technology of building walls in China.

Marble, granite, Hui'an stone, Qingtian stone, Shoushan stone, Guicui stone and other materials are generally used for stone carving. Granite and marble are suitable for carving large statues; Qingtian stone and Shoushan stone are rich in color, which are more suitable for small stone carvings. There are many ways to make stone carvings. According to the nature of stone materials and the habits of the carvers, stone carvings can be roughly divided into two types: first, traditional methods. Conception, composition, modeling and stone carving are all done by individuals alone. For large-scale carving of lines, the horizontal and vertical lines shall be drawn on the stone, the grid shall be made to take materials, and the simple measurement and positioning method shall be used for carving. The second is to adopt a new process, that is, first make a clay sculpture, turn it into a plaster statue, then take the plaster statue (model) as the basis, rely on the point shaped instrument, and then carve it into a stone statue.

Microcarvings pay special attention to the selection of materials. The stone material should be absolutely pure, and there should be no sand grid or half silk cracks, because half a sand dot may damage a fine picture or more than 10 Chinese characters. Secondly, the micro carving knife is also a special thin knife, which should be sharp and sharp. It is necessary to have a particularly proficient knowledge of calligraphy and traditional Chinese painting. When carving, "meaning carving" and "meaning carving" can be carried out. Hold your breath and concentrate on your thoughts on the spot. The knife should be stable, accurate and ruthless. The micro carved knife is just a pen. The skill is not enough. Because the knife is slightly out of control, it doesn't reach its purpose. The calligraphy effect must be paid attention to when matching the micro engraving inscriptions on the micro sculpture works. The creators should avoid the ugly appearance, the skew of characters, the uneven lines, the inaccuracy of paintings, and the imbalance of matching. We should grasp the artistic effect of the line changes produced by cutting tools and customized stones. Only in this way can calligraphy and knife techniques and strokes be perfectly unified.

1. Traditional green sculpture shaping: directly pruning the plants with garden art. There are simple geometric shaping (such as sphere, cube, pyramid, cylinder), complex geometric shaping (layered shaping, spiral shaping, etc.), animal shaping and various peculiar shaping (automobile shaping, aircraft shaping, abstract and free shaping, etc.). Common plants include pine and cypress, privet, boxwood, national locust, elm, etc. 2. Grafting: taking a certain plant as the rootstock, grafting plants with different impressions on it, and then making artistic processing of its shapes, such as polychrome chrysanthemum bonsai, polychrome rose bonsai, polychrome peach, polychrome plum, polychrome crabapple, etc. Such as cliff chrysanthemum, tower chrysanthemum, animal shaped chrysanthemum, etc. 2.1 Single plant green sculpture refers to the sculpture formed entirely by one plant or one plant with multiple colors or by grafting multi-color plants. The sculpture has a long viewing period and simple operation. For example, tree sculptures can be kept for a long time only by special pruning, without considering flower changing and water spraying, and the maintenance management is simple. 2.2 Double plant green sculpture refers to the sculpture shaped by two different kinds of plants. The sculpture has a long viewing period and a strong three-dimensional sense, and usually uses the complementary and mutually reinforcing advantages of two plants for modeling. Such as evergreen and deciduous plants, broad-leaved and coniferous plants, lianas and herbs, as well as different colors, species, branches and leaves, such as leaf color, flowers and fruits, branches and stems. 2.3 Mixed plant green sculpture refers to sculpture with three or more kinds of plants. The sculpture has a short viewing period and complicated operation, but it is highly ornamental and lifelike. The common ones are large three-dimensional sculptures, some animal shaped sculptures elaborately composed of flowers, leaves and fruits of different plants according to design requirements, such as peacock, red crowned crane, panda, etc; Or symbolic sculptures with certain cultural connotation and city image, such as idiom allusion sculptures (learning to walk in Handan, dancing at the smell of chickens), Olympic seal, football World Cup, etc.

The traditional method is to brush lime water or wall powder, but it is easy to be polluted and cannot be scrubbed with wet method. It is mostly used for general buildings. More advanced buildings use flat ready mixed paint as decoration material, which is rich in color and is not easy to be polluted, but the volatile amount of organic solvent mixed in is large, which pollutes the atmosphere and affects the health of construction personnel. With the development of science, organic synthetic resin raw materials are widely used in paint, making the appearance of paint products fundamentally changed, so it is called paint, It has become an important interior and exterior wall decoration material. There is a long history of papering interior walls and ceilings, but it has been replaced by plastic wallpaper and fiberglass wall covering. Hainan sculpture gypsum board has the characteristics of fire prevention, sound insulation, heat insulation, light weight and high strength, and convenient construction, which is mainly used for walls and flat roofs; When making a flat roof, holes with various patterns can be punched to improve the sound absorption and decoration effect. Calcium plastic board has a good decorative effect, can keep warm and sound, and is a multi-functional board. Marble and granite plates are increasingly used to decorate high-end hotels and apartments.

At present, most of the most influential sculptures in China and the West are made of copper. For example, Rodin's The Thinker, The Bronze Age, and The Statue of Liberty are all made of copper, Beijing GRC component The lines are suitable for sculpture because of the texture, plasticity, unlimited specifications, rich color texture and other reasons of the copper material, which is also an effect that jade, wood and stone carvings cannot achieve. Jade carvings can only do very small works because of the material restrictions, high quality GRC component Due to the limitations of wood carving technology, there is no precedent for large-scale outdoor sculptures. The inheritor, whose bronze sculptures opened a new chapter in the 5000 year history of copper.