Misunderstandings in Home Improvement

In home decoration, due to the particularity of materials or craftsmanship, in the case of material qualifications and construction specifications, there may be some problems in the decoration process. For example, if the construction party is to prevent potential safety hazards in the future, it will stick straight when laying the circuit. Some owners mistakenly believe that the builder is doing this to increase revenue. Similar problems such as this may affect the relationship between the owner and the construction party and are not conducive to construction. Therefore, we have selected several representative issues for the reader's reference.

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Floor: Texture color difference is normal

Misconception: The newly purchased solid wood flooring and the samples provided by the dealers do not look the same, and there are texture and color differences between the floor plates. This is a quality issue for the goods.

Experts: Solid wood flooring is natural from the inside to the outside, so there is a certain difference in texture and color is normal. Consumers who are worried about this problem can first select one or two satisfactorily used floors as samples, and then use this as a standard to stipulate the relevant matters of color difference in the contract. In this way, dealers will choose floors with similar textures and colors. However, prices may also increase by about 30%.

Pavement must stay expansion joints

Misunderstanding: There are obvious gaps in the paving floor, indicating that the workers have technical problems.

Experts: If the indoor temperature, humidity changes too much, the floor volume will expand or shrink, in the floor between the floor, the floor and the wall to reserve a certain gap, you can avoid the floor due to expansion caused by warping and other deformation .

According to the relevant national regulations, the expansion joint between the floor and the wall must be between 8-10 mm. The country does not stipulate the size of the expansion joint between the plates. Because the floor material is different, the expansion coefficient is not the same, and the size of the expansion joints to be reserved is not the same. The greater the density of the floor (in general, the more expensive the floor is, the more expensive) the smaller the volume expansion coefficient, so the smaller the reserved expansion joint.

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Cabinet: Thermal expansion and contraction caused joint cracking

Misconception: Cracking of the countertops of the cabinet must be caused by unqualified materials or improper construction.

Experts: Regardless of the material of the cabinet countertops, there may be cracks in the tabletop seams due to thermal expansion and contraction of the material. If two different materials are combined together, the possibility of cracking is greater. A liner of the same material can be added below the seam. The length of the liner and the width of the table are the same. The width of the liner is about 5 cm, which can reduce the possibility of cracking.

Brushing project: many reasons for wall cracking

Misunderstanding: Wall cracking must be caused by improper construction or material failure.

Experts: Improper construction is one of the causes of wall cracking, but cracking of walls may also be caused by other reasons. Deformation of the building itself, such as the subsidence of the building foundation; indoor temperature and humidity changes too much, will cause the wall (body) cracking phenomenon, the best way to prevent is to paint kraft paper or mesh cloth before painting, reducing the wall surface The possibility of cracking.

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Hydropower: ramping down to save money

Misunderstanding: The shortest and most economical walk of the water circuit, the construction party must lay the line in order to increase the number of meters of the water circuit, in order to collect more money.

Experts: The state clearly stipulates that the laying of water pipes should be horizontal and vertical. Although there are no clear provisions on the laying of circuits, in the industry, the principle of horizontal and vertical shall be followed in most cases of circuit wiring. In other words, the water circuit can take a straight line. It's best to go straight. If you want to save money, the circuit will go slash when walking. When you need to nail a nail and hang things on the wall in home life, you may nail the nails to the line and cause safety hazards.

Wood Products: Extra Large Doors with Frames

Misconception: Merchants add metal frames around the doors to earn more money.

Experts: Under normal circumstances, only one side of the door is connected to the cabinet body. Relatively speaking, the door is in a free state and is restrained by external forces. The coefficient of deformation of the wooden cabinet door is large. Therefore, it is surrounded by some large wooden cabinet doors. It is necessary to add a metal frame to reduce the possibility of its deformation. When the height (length) of a wooden cabinet door exceeds 200 cm, or the width exceeds 50 cm, it is recommended that the wooden cabinet door be reinforced to reduce the possibility of deformation. Steel liners can also be added between the door panels of the cabinet door. However, if the steel liner is too thin, the effect is not great. Therefore, the best way is to add a metal frame around the door, but the price of the cabinet door should be doubled.

Environmental Impact Wooden Door Use

Misunderstanding: The hand-made wooden door leaf had the problems of inconvenience of opening, loose closure, cracking of the veneer sheet, and exposure of the nail cap, either due to unqualified material quality or due to improper construction.

Experts: These problems are mainly caused by changes in the volume of wooden materials. Indoor humidity, temperature, ventilation, and light conditions are important influencing factors. During construction, wood can be placed in the room for a period of time to adapt it to the new environment before construction. At the same time, the temperature and humidity in the control room must be taken into account in daily life.


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While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.



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