What are the best materials for building exterior walls?

Introduction: Building exterior wall decoration is different from interior wall decoration. It must not only be beautiful, but also durable, and must be able to withstand wind, water, sun, sun and rain. So, what are the materials for building exterior walls? There are many materials for building exterior walls. The main common materials on the market include paint, tiles, stone, hanging boards, glass curtain walls, etc. Below I will briefly list a few building exterior wall materials for everyone to know! What are the best building exterior wall materials?

What are the building exterior wall materials?

?Exterior wall paint

The advantages of exterior wall paint are that it is relatively economical, has a strong sense of integrity, has good decorative properties, is easy to construct, has a short construction period, has high work efficiency, is easy to maintain, has low initial investment cost, and has no risk of hurting people even if it peels off or peels off. , and it is easy to replace and enrich the different requirements of buildings in different periods. After maintenance and update, the image of the building can be improved. At the same time, adding waterproofing agents to the paint can solve the waterproofing problem in one application.

Its disadvantage is that it has poor texture and is easily contaminated, discolored, peeled and cracked. At the same time, the lifespan is short. Even a paint that claims to have a lifespan of 10 years may generally need to be cleaned and repainted in less than 5 years. This cost still needs to be paid by the owner, usually from the house maintenance funds paid by the owner. come out. In addition, the shrinkage of painted exterior walls after the cement solidifies will cause some cracks on the facade. Although new elastic coatings can solve this problem, the price of elastic coatings is also relatively expensive. The following is a detailed introduction to several types of exterior wall paint:

1. Thin exterior wall paint: Thin exterior wall paint has a very good texture. In addition to being used as exterior wall decoration materials, it is also used in interior decoration. many.

2. Multi-layer pattern paint: Multi-layer pattern paint, as the name suggests, its pattern is concave and convex, which is very three-dimensional.

3. Colored sand paint: Colored sand paint is the most beautiful of all exterior wall decoration materials because its raw material is dyed quartz sand.

Exterior wall tiles

Exterior wall tiles are generally ceramic, with or without glazing. From the appearance point of view, the surface is shiny or matte, or the surface is smooth and rough, that is, it has different textures. Its advantages are that it is sturdy and durable, has good durability and texture, is brightly colored and has rich decorative effects, and is easy to clean, fireproof, water-resistant, wear-resistant, corrosion-resistant and has low maintenance costs. Durability includes resistance to dirt, wear, scrubbing, and long life. Especially in areas with relatively large environmental pollution and dusty air, it undoubtedly has great advantages.

Its disadvantages are that the initial investment cost is high, the bonding requirements are high, the construction is difficult, and if the construction technology is not strong enough, it may easily cause falling off and hurt people. At the same time, additional waterproof materials must be used to solve the waterproof problem. From an environmental point of view, the use of acid during the cleaning process will cause pollution to the atmosphere. Special attention should be paid to the fact that once water seepage occurs in an exterior wall made of tiles, it will be difficult to find the location of the water seepage, which will cause a lot of trouble in future repairs.

Stone

Stone generally refers to natural facing stone (marble, granite) and artificial stone (cultural stone). Natural facing stone has good decorative effect and is durable, but the cost is high. Artificial stone has the advantages of light weight, high strength, corrosion resistance, low price, and convenient construction. Marble has a smooth surface, strong corrosion resistance, wind resistance, rain resistance and other advantages, which can play a good role in the cleanliness and strength of the exterior facade. Granite has the characteristics of compact and uniform structure, hard texture, wear resistance, acid resistance, and elegant appearance. Because stone is resistant to scrubbing, it is generally used in dirty environments on the first and second floors of buildings. The radiation it produces can have a negative impact on the human body. At the same time, it has a relatively large weight, so it is usually not used in entire high-rise buildings.

?Exterior wall decorative hanging board

Exterior wall decorative hanging board is an integrated building exterior wall insulation material newly developed in recent years. It is made of polyester baking paint or fluorocarbon paint. , carved aluminum-zinc alloy steel plate, polyurethane insulation layer, and fiberglass cloth; mainly used in exterior wall decoration and energy-saving renovation of various buildings such as gymnasiums, libraries, school and hospital office buildings, villas, etc.; main function is construction Decoration, thermal insulation, energy saving, heat and sound insulation, waterproof and mildew proof. There are mainly the following types of exterior wall decorative hanging boards:

1. Imitation wood tile decorative panels: Imitation wood tile decorative panels are special among exterior wall decoration materials. They are very durable, simple in style, and very attractive. Original taste. Its decorative effect is also good, and it is available in teak color, dark gray, etc.

2. Imitation brick decorative panels: Imitation brick decorative panels are easy to construct, save time and effort, and have excellent performance and can resist aging and corrosion. The surface layer of the imitation brick decorative panel is an injection molded part of a high-grade paint, which is UV-resistant and is a very popular exterior wall decoration material.

3. Imitation wood horizontal stripe decorative board: Imitation wood horizontal stripe decorative board is actually what we usually call "fish scale board". It is also resistant to UV rays, and has good corrosion resistance, acid and alkali resistance. Because the surface texture is very clear, the color is beautiful and highly decorative.