According to statistics from the authoritative industry HC, between January and October of this year, Beijing's civilian putty market, the restricted use of 821 non-water-resistant putties accounted for 48.4%, accounting for nearly half of the market, this data once again caused the industry to banned Limited material attention. It is understood that the current market in addition to more than 821 non-water-resistant putty, there are clay bricks, often used for home partition wall decoration. Beijing has banned the use of clay bricks (commonly known as red bricks) in construction projects since June 2004. However, due to usage habits, consumers still use clay bricks as wall materials when building partition walls. In fact, in addition to not being environmentally friendly, clay bricks also have the disadvantages of being self-important and not evenly flat. With the replacement of building materials, there are now many new wall materials that can be used to build partition walls.
Limit the use of clay bricks
Clay bricks, commonly known as red bricks, are bricks fired from clay (arable soil). Hollow clay bricks are hollow in the middle. Their specifications are generally 240mm x 120mm x 53mm. Clay bricks were once common materials in the construction of homes and renovations. They are often used to make partition walls.
According to the senior designer of the industry, Cheng Senbo, clay bricks are fired from clay and destroyed cultivated land; carbon dioxide and other greenhouse gases are generated during the firing process, polluting the environment and not complying with national industrial policies. Therefore, the Beijing Municipal Construction Committee released in 2004. The "Notice Concerning the Promulgation of the Fourth Batch of Materials for Banned and Restricted Use of Building Materials" prohibits the use of clay bricks in Beijing construction projects.
Some consumers believe that clay bricks have the advantage of being cheap, durable, fireproof and moisture-absorbing, and therefore prefer to use clay bricks to build partition walls. However, in fact, clay bricks are not environmentally friendly in the production process, but their stability and flatness are not high enough, and they are also heavy. They are used to build partition walls and increase the burden on the floor. In addition, the performance of clay bricks in heat preservation, sound insulation and other aspects is far lower than some of the new wall materials commonly used today.
There are four alternative materials
It is understood that there are many alternative materials for clay bricks, which can be roughly divided into four categories: blocks, prefabricated partition boards, gypsum keels and glass bricks. Compared with clay bricks, these materials are more environmentally friendly and have a smaller self-weight and are more suitable as a material for partition walls.
Blocks now generally refer to light bricks. Most of the materials for light bricks are industrial wastes or leftovers, such as surplus slag in industrial plants, fly ash discharged from power plants and burning boilers. Lightweight bricks are used for waste, saving resources. Lightweight bricks are lighter, stronger, more durable, less deformable, and can be nailed. Prices are relatively reasonable. Each block costs between 2.8 and 3.0 yuan, but the removal is troublesome and transportation and handling are inconvenient.
Prefabricated wallboards mostly use materials such as gypsum and sand ash. After the factory directly produces them, they are spliced ​​at the construction site. They have strong and durable characteristics. After the main structure of the building is completed, the prefabricated partition wall plates are often used to separate the indoor layout. Prefabricated partition boards are large in size and relatively fixed in specifications, and cannot be trimmed. They are less frequently used during the subsequent renovation.
After the frame has been framed with the keel, it is closed with plasterboard. This is the plaster keel. Keel is divided into wood keel and light steel keel, wood keel commonly used materials for pine, specifications, can also be processed; light steel keel specification is fixed, the thickness is generally only 75 mm. Gypsum keel is lightest and easy to dismantle, but sound insulation and insulation are relatively poor.
Glass tiles, also known as hollow glass tiles, are glued together to glue two pieces of glass together. Glass cement is used to mix the cement during construction and the edge gap can be tightly closed. Glass bricks are soundproofed and have good heat preservation effect, can meet the lighting requirements, and have rich and beautiful patterns and colors. However, the construction cost is very high, usually 20 yuan per piece, and it will not be used in large quantities in the later decoration process.
Can be processed during construction
Some consumers are concerned that these alternative materials are not strong and easy to crack. According to experts, these problems can be solved or improved through the process. Consumers can use it with confidence.
The wall made of the above four kinds of materials is called a light wall. Although there are various advantages for the light wall, the light weight bearing capacity of the light wall is also objective. Consumers should avoid hanging large wall clocks on the light walls. A heavy object like this. Cabinets and electric water heaters are generally required to be installed on load-bearing walls. If they have to be installed on light walls, it is better to use special hanging pieces to fix the weights on the floor boards. Don't let the light walls work hard.
Due to the different materials of the light wall and the plastering layer, the two are difficult to be well combined with each other, and the wall cracking is likely to occur. In particular, the prefabricated partition wall boards are prone to up and down at the connection between the board and the wall, the board and the board. Because it is a straight seam, it should be applied to the light wall and then painted. The best way to prevent wall cracking is to stick wallpaper. Compared with the wall paint, the wallpaper is more flexible, so choosing to decorate the wall with wallpaper can minimize the possibility of wall cracking.
Gypsum keel sound insulation, insulation effect is relatively poor, soundproofing and insulation effect is really bad light wall sound insulation treatment is very necessary, the processing method is relatively simple, as long as the keel filled with sound insulation or insulation material can be. If the wall surface is uneven, the sound insulation will be better, but the director of the canoe decoration director Yu Zhong reminded that the soundproofing will make the indoor space smaller. If the soundproofing of all light plastered keel walls in the room will inevitably increase spending, it is recommended that consumers only perform noise treatment on the light walls of the main noise sources.
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