What is the keel in the interior decoration? Many friends are not very clear. Do not know what the keel is, what is the role of keel in building materials . In fact, the keel is a kind of building material used to support the shape and the fixed structure. Widely used in hotels, terminal buildings. Passenger stations, railway stations, theaters, shopping malls, factories, office buildings, renovation of old buildings, interior decoration installations, ceilings and other places. The keel is the skeleton and substrate of the decoration and is used very commonly. If your home is facing renovations, it is necessary to understand the role of keel in building materials ! If you have this need, you may wish to follow me to learn about it!
First, the type of keel
According to the different interior decoration materials, keel can be divided into wood keel, light steel keel, aluminum alloy keel, steel keel and many other. Among them, wood keels and light steel keels are the two most widely used keel materials.
According to the use of the site to be divided, can be divided into ceiling keel, vertical wall keel, paving keel and hanging keel. Different requirements for keel in different locations
Each kind of keel has different specifications and shapes, and the types of keels are very different. As for the light steel keel, there are T-line, C-shape, U-shape, and L-type keel, depending on the type, size, and application. Different specifications of the keel may differ during installation.
Second, the purchase of keel
The keel is an indispensable part of the ceiling of the interior decoration, and the wooden keel and the light steel keel are used in the market today.
1) Features of wood keel
The biggest advantage of wood keel is that it is cheap and easy to make various shapes. Therefore, wood keels are used in most living rooms and dining rooms. In addition, when the solid wood floor is laid, since the wood is easily deformed, it is better to use a wooden dragon frame to make it not easily deformed. However, wood keels are flammable. When used as suspended ceilings and partition walls, they need to be coated with fire-retardant paint on the surface. In addition, as a solid wood floor keel, it is necessary to carry out appropriate anti-mildew treatment because wood keels are more likely to rot than solid wood floors. The mold produced after rot causes odors and affects the service life of solid wood flooring.
2) Wooden keel purchase points
At present, the application of wood keel is still relatively wide, because the keel has a great influence on the quality of ceilings and solid wood floors, so you need to choose high quality products when you purchase. When buying wood keel, you will find that the business is generally bundled sales. At this time, the bundle must be opened and picked up. When choosing the wooden keel, choose fewer knots and no insect eyes. If the wooden knots are large and many, screws and nails will not be screwed into or broken at wooden knots, which will easily lead to a weak structure. To see whether the specifications of the cross section of the selected wood keel meet the requirements, whether the head and the tail are smooth and even, cannot be of different sizes. At the same time, the wooden keel must be straight, and the uneven wooden keel can easily cause structural deformation. Must check the moisture content of the wood keel, Oh, generally can not exceed the local average moisture content, when the time of purchase can be informed by consulting clerk. In the southern region, the wood keel moisture content should not be too low, about 14% is good.
3) Features of Light Steel Keel
Light steel keel is the most commonly used framework material for roofing and partition walls in home improvement projects. For example, kitchen and bathroom ceilings often use light steel keels. Light steel keel is usually made of galvanized steel sheet by cold bending or stamping. It is an upgraded product of wood keel. The main advantages are fire prevention, moisture proof, high strength, high construction efficiency, safety, reliability, impact resistance and seismic performance, and can improve the prevention. Heat, sound insulation effect. However, the price of light steel keels is higher than that of wooden keels. At the same time, the top surface space occupied by the decoration will be larger. In addition, the light steel keel can only be used as a straight line and cannot be shaped in a special way.
4) Light steel keel purchase points
At present, the light steel keel has been favored by more and more indoor decoration consumers, mainly from the following aspects to choose the appropriate light steel keel.
When choosing the light steel keel, first select the corresponding shape according to your own use. Light steel keel in the form of cross-section has U-shaped, C-type, T-type, L-type and several other. The U-type keel and C-type are all load-bearing keels and can be used to cut off the keel. The U-shape is used as the main keel support and the C is used as the cross-tie keel. The T-type keel and the L-type are generally used for no ceilings, the T-type keel is used for the main keel and the transverse keel, and the L-type is the side keel. Light steel keel can not choose products lower than 0.6mm. The specifications of the product can be read from time to time, and information such as length and thickness can be found in the product description. And judge the thickness of the aluminum buckle plate by the naked eye and feel.
Second, to prevent rust on both sides of the light steel keel should be galvanized, the choice should be selected galvanized layer without falling off, no pitting. Such qualified products are guaranteed against moisture.
Finally, we must look at the quality of the light steel keel after galvanized, the surface was snow-like. When choosing the ceiling, pay attention to whether the keel has a snow-like galvanized surface, and the snow pattern is clear, the handle is hard, and the gap is small, that is, the keel is of better quality.
The role of keel in building materials
According to the different materials, they can be divided into wooden keel, light steel keel, aluminum alloy keel, steel keel and so on. Wooden keel: A material commonly used in decoration, there are a variety of models used to prop up the outside of the decorative plate, play a role.
Hang ceiling ceiling keel, because to withstand the fall of the gypsum board, as well as the role of decentralized leveling, in general, the flatness of the top surface of the building can not meet the requirements of fine decoration, so the use of keel leveling; flooring keel is generally Solid wood flooring, its role is one of the requirements of flatness, the second is the role of moisture, and the third is after playing the keel paving the floor slightly elastic, can buffer people walking on the floor of the force.
Light steel keel: Light steel keel is a very popular decorating material for several years. It can be used for ceilings, partition walls, and strong fireproof performance. Light steel keel can make various beautiful shapes.
Finishing decoration: There are steel keel, alloy keel, light steel keel, the above is used in plasterboard ceiling, play a supporting role. For the keel is like a human bone, in an object, an object supporting it.
The main role of the keel in the building is to play a structural supporting role for the structure in which it is located, to maintain its original shape and play an important role in achieving the stability of the building material requirements.
Editor's summary: The above is the description of the type and purchase of keel, the role and function of the keel. The keel is a commonly used material for interior decoration. It is mainly used to support the structure, fixed structure, and relates to the structural stability. , Security, and the beauty of structural modeling; it is home to a lot of ornaments, shapes, facades, floors or the top of the skeleton, which supports and fixes these structures. Pavings such as ceilings can not be separated from the keel.
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