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The design of each designer may not be the same, with the lack of close cooperation with the workers, the construction drawings are not perfect or the drawing is too late, or the construction drawings and the effect map are different. Workers may cause the construction of the shape and construction drawings do not match. The drawings designed by the designer are unscientific. They do not take into consideration the elements such as baseboards or beams, or the inaccuracy of rooms. It is easy to make mistakes in the construction of drawings. In addition, some workers are careless and have strong experience. During construction, they only use their own experience to perform the construction. The final shape, size, and drawings are different. Destroyed the designer's overall design concept. Frequently occurring such problems are: ceiling elevation, width, thickness of floodlight troughs; cabinet shape, cabinet size, shape; modeling wall size, shape.
Solution: Owners do not rush to enter the construction site. They must wait for the designer to put all the drawings out and work on the site. Mainly rely on pre-control, both the design before the construction of the bottom. Don't just talk about water and electricity when you're at the end of the deal. You should explain the carpentry. It is best for designers, supervisors, foremen, and woodworking team leaders to be present. After the carpentry framework has been made, the industry is mainly on the scene to check and accept, to see if the framework is in line with the imaginary shape of his mind, there is a point to say, because this time is still easy to change, when the paint is not good to change. When the woodwork is accepted, it is necessary to carefully check the finished product against the drawing. There are discrepancies, immediately notify the designer, foreman, make a solution to make the wardrobe, install the finished product sliding door common quality defects:
The wardrobe did not leave enough room for the finished door track. When making a wardrobe, tell the workers what kind of sliding doors they want to buy and what the width of the upper and lower tracks is. Allow workers to leave a little more space. The general size is: the folding door must reserve 80MM orbital installation space, and the sliding door reserves 100MM orbital installation space. After finishing the product door, the drawer of the wardrobe cannot be pulled out (2 cases). When the wardrobe is topped with a sliding door, the bottom drawer does not pull out. Drawer and base plate stay 12 ~ 15mm. Push the sliding door to the side, and the middle drawer won't pull out. This requires that we can calculate the specific size of each sliding door (sliding door to overlap 20 ~ 50mm), the calculation method is: the width of the door ÷ fans - the number of overlapping frames × border width. Make sure that each drawer can be withdrawn.
After installing the finished product, the gaps on both sides are not closed tightly. This is usually the case when both sides of the original wall, as a wardrobe, both sides of the vertical plate inclined (not perpendicular). Caused by the door can not be tight. Therefore, ensure that the horizontal and vertical errors are within 2mm.
Leaking big cores on both sides (not yet painted). Sliding doors generally have no borders, and the upper and lower rails are mounted against the sides of the cabinet. There are no borders on both sides and large core boards will be exposed. Should be painted on both sides of the veneer, or install the border.
Uneven ceiling, floodlight slot is not straight:
the reason:
The horizontal line of the wall is not measured accurately.
The boom is not adjusted properly, and the middle position should be slightly arched.
The installation of the boom is not strong, and the fittings of the light steel keel are not fully assembled and the wooden keel cannot bear.
Floodlight keel deformation. After the ceiling frame is tied up, before the plasterboard is sealed, the grass-roots level shall be checked and accepted. Acceptance items: Straight at the edge, the boom is strong, the fittings of the light steel keel are flush, and the hand and the stick are used to shake the grass-roots section and the main keel. For the floodlight trough portion, a relatively straight light keel or large core board should be used as the base layer, and then plasterboard should be used to determine the return light trough straightness. If wooden keels are used directly as base layers, they are easily deformed. After the installation of the gypsum board, the top surface of the ceiling shall be inspected by standing on a ladder or a relatively high place (at the same height as the top surface of the ceiling), and the uneven place shall be found to find the reason and correct it in time. The ceiling frame, suspender and top keel shall be fixed with expansion bolts or wooden wedge nails. It is forbidden to use the shot nails to fix directly to the top surface. The gypsum board should be fixed using self-tapping, do not use nails. Self-tapping is more able to grasp this keel. Ceiling surface roughness parameters can refer to: GB 2001
The top line is installed like a dog's leg:
Top corner line classification: Finished corner line: directly to the building materials market to buy, people are responsible for home installation, usually a few dollars per meter, very cheap. On-site production of the vertices line method: open plaster bar, nailed directly to the top corner position. Generally two layers, also known as: stacked baseline.
Reasons for quality defects: The installation of the vertices is a carpentry job, and the carpenter must be working before the painter. On the top of the inside corner, find the straight is the scope of the painter. The top yin and yang corners of general developers are not straight, so when doing the vertex line, the vertex line must be bent along with the wall, the bending at this time is more obvious, so that the grade of the decoration is seriously reduced.
Formal construction process: Before doing the vertex line, the painter enters the field, first finds the straight line at the top corner, and then does the vertex line. This ensures that the vertex line is a straight line.
Unstable ceiling installation causes the ceiling to collapse:
Ceiling is the most dangerous renovation project in home improvement projects. If it is improperly installed, it may cause the collapse of the ceiling, causing damage to the owner’s life and property. Caused by the collapse of the ceiling is mainly due to the presence of fixed defects in the boom, or improper construction. details as follows:
Holes are punched directly on the top surface and nailed into the hole with a wooden wedge, no longer fixed. Generally used in lighter ceiling projects. There is another name called "soft crane."
In wooden keel ceilings, steel keel nails are used to directly fix the top keel. Because the concrete can't catch the nails, and the aging and rust of the nails, it may cause the ceiling to collapse. This is called "nail."
The side keel and the top keel of the light keel can not be fixed directly with the nail.
The gypsum board is not firmly fixed, causing the gypsum board to fall off: the self-tapping thread density used is not enough. After that, the self-tapping wire is not used, and it is directly fixed with a straight nail (shot nail). The correct construction method is: the side keel, the top of the ceiling floodlight slot keel fixed application of wooden wedge and nail fixed. In the middle, a boom is added and fixed with an expansion bolt. With the expansion bolts, the ceiling will not fall even if there is a person picking up. The gypsum board is installed with self-tapping screws and the density is 20cm.
The door of the room is deformed and the width of the door stay is too wide:
Deformation reasons: Two large core boards are pasted together without expansion joints. The door agrees with the deformation. The water content of wood such as Daxinban is too high. Both sides are plywood, with one side facing in and one side facing outward. It is also easily deformed. After the door is molded, it takes enough time to press the door. The best week in winter, and summer about 5 days. After the door was made, it was soaked in water. Causes distortion. After the door was installed, the paint was not painted in time, and it was hung on the door cover for a long time. The weather temperature changed greatly and it was easily deformed.
After the door is installed, there should be enough space between the door and the door cover. Of course, it is not possible to leave the joints too wide. If the left seam is too big, it will not be soundproof and light-transmitting - it is ugly. The width of the left seam should be appropriate, and the gap width on both sides should be the same. This requires a double-sided groove in the door and door pockets when the hinges are installed. Please refer to: GB 2001
The panel and large core board are not combined, causing hollowing:
In the home wear, the black walnut, cherry, and furniture that look like are not made of whole logs. Instead, they are framed with a large core board and a panel is attached to the large core board frame (black Walnut, cherry,,,), and then brush the paint, it has become a variety of color furniture. The panel is adhered to the large core board with white latex, and it is also fixed with a shot screw. If not pasted together, there are several reasons:
There are grease or other contaminants on the base board or the base board is not flat.
White latex is a poor quality product.
Not fixed with a nail.
After using the glue to fix it, it will be easy to produce empty drums after a long time. Inspection method: After the carpentry is completed, all panels are inspected. See if there are empty places, especially in larger areas such as: bay windows, wardrobe sides, desk surfaces,,,,,,.
Remedy: If a small area empty drum can increase the nail. Excavation will be reworked on a large area.
The height of several door pockets in a corridor is different:
The height of the room door should be uniform, and the height error should be within 2mm. If the height of each door pocket is inconsistent, it can be easily seen at one end of the corridor. General room door height should be controlled at: 195mm to 210mm, and the height of the door opening in the same space should be uniform. With door line 5.5 ~ 6cm.
Test method: After the door cover is over, stand at the same height as the door cover line for visual inspection. Feeling uneven, you can use a steel ruler to measure the distance from the top of the door line to the horizontal line of the wall (before the carpentry work, the wood unions first hit the horizontal line of the wall). If the result of the measurement is consistent (it may be that the horizon is not horizontal), then pull a long line for inspection.
Solution: If the error is small, you can do it with a carpenter. If the error is large, then remove the top line, fix the angle, and install a new one.
The color difference between lines and panels is relatively large, affecting the appearance:
The clear oil line has a false line, which is called the rubbing line, the dyed line, and the boiled line, especially the black walnut line. The market is basically not true. There are more lines, as long as a layer of skin is rubbed up, but it is still the color of the original false lines. For example, black walnut, on the surface, it is black, but the reverse or inside is white. If such a wooden line is mounted on a door cover, the carpenter carries out planing (the project must be done to ensure that the lines are in line with the panel), and the white wood inside is exposed to form a color difference, which is more ugly. There is also a situation where some lines, which are pulled back from the building material manufacturer, have a color difference, and the woodworkers are not picking when they are installed, causing the color of a line on the furniture to be different. This is very ugly: the original panel and the lines The color is not the same, but the color of lines and lines is not the same. The panel is also the same. The color of a batch of panels and a batch of panels is not the same, and it is also not beautiful to install on the same furniture. Sometimes, the same panel, there is a big color difference between this head and that head.
Solution: First reject these false lines when material acceptance. When the panel comes in, you must pick more and choose the board with the same color. If you have accidentally entered a material that has a color difference, at least a woodworking master is required: Use panels or lines of the same suit on the same piece of furniture. If the woodworker finishes discovering that there is a lot of color, then the painter is required to fix it. After confirming that the color basically agrees, brush the finish again. Painter also pay attention to color correction: whether the panel color difference? Is the panel damaged and need color correction?
Incorrect installation of panels and lines causes paint cracks:
The panel is combined with white base and big core board by white latex. If some workers try to save trouble, the white latex is too thin (and it cannot be brushed too thickly), causing the panel and the base layer to bond weakly and empty. , which causes cracking of the paint.
The installation of the lines is also very important. Brushing the white latex is not as serious as it may cause cracking between the wooden lines and the panel. Specific reasons: Some woodworking installation of wood lines do not brush plastic, wood and the base layer is not firmly bonded and cause cracks. Some woodworkers install wood-line brushes with too much glue, causing the humidity of the woodwork to increase and deform, leading to cracks. Some woodworkers will install after buying back the line, because the wood line does not adapt to the site's humidity, temperature and cause deformation. The last reason is the wood line itself: the humidity is too high. Custom wood lines have a certain degree of humidity can be planed out, the board is too dry, it does not move.
The balcony cornice is not horizontal and vertical. After the sliding door is installed, there are gaps:
Balconies generally do not do the door, do a mouth cover (door cover), and then order the finished sliding door. Since it is necessary to do sliding doors, it is required that the mouth linings and floor tiles must be horizontal and vertical. If a sliding door is installed and the door joints on both sides of the sliding door are not tight, it may be:
Sliding door did not do Founder. - This situation is less.
Both sides of the door pocket are not vertical. Carpentry responsibilities.
Tiles are not paved. The mason's responsibility. Precautionary measures: All door covers and gargles are required to be horizontal and vertical. Check with a vertical inspection ruler. When paving the floor, play a horizontal line on the wall. Check the floor tiles in accordance with the horizontal line, you can not use mason's level (the error will be very large).
Defective make-up measures: By doing the door handling, adjust the height of the slide rails to ensure that the gaps on both sides are tight. (But the consequence is: the two doors are not vertical).
Frequent defects in varnish panel installation:
The seams are not tight, the seams are uneven, and the corners are not flush: This is a problem of the craftsmanship of the workers. Looking at the construction level of the woodworker, one can see one by one by looking at the angles and joints of the varnish panels. If you are careless, you can replace the worker directly. The scar on the panel is too obvious: there are many scars on the panel, scarred panels should be used in a very inconspicuous place, if with a little scar, at least can not be used in the visual field of people. Lines are horizontal and vertical, more chaotic: usually the plate is used to the end, fight in one place. This is not beautiful. Workers must be required to rework. There are bad angles and stains: When the panel is pulled to the site, it should be protected with a primer brush to prevent it from getting dirty. Touch the corner place to protect the finished product, to prevent people walking around, the touch angle broke.
Door and window cover installation often has defects:
The bumper angle of the door sleeve line is uneven: the first two sets of the cover line should be in the same plane, and the same height, and then the joint tightness. If it does not meet the requirements, workers are required to make immediate corrections. The door pockets are not vertical and the widths of the upper and lower mouths are inconsistent: When the door pockets are made, workers use the line sinkers to adjust the verticality of the door pockets. The door covers adjust the level according to the horizontal line of the wall. The simplest way to detect the verticality of the door pocket is to measure the upper and lower mouth width of the door pocket with a tape measure. If the width is inconsistent, there must be a problem. The width of the door cover should ensure that the width of the corresponding door is: bedroom door 80cm, bathroom door 70cm. Height 195～210cm.
Corresponding standards: Positive, side verticality: 3mm, measured with a one-meter vertical ruler. Doorway mouth level: 1mm, with a one-meter level detection. Door cover straightness: 3mm, pull 5 meters long line test, (ensure that each door cover is of the same height)
Carpentry cut corners, do not paste the white paint Australian pine board:
Frequently appearing places: Bookcases, bookshelves, museums, and other panels are relatively small. Workers often do not post plywood or Australian pine boards due to construction difficulties. Provincial workers, provincial materials.
Consequences: The strength of the connection between the skin of the large core board and the primary keel is not high. White paint directly on the top, easy to produce from the skin, fried joints and other phenomena. The rough surface of the big core board is directly painted on the top, and the paint cannot be completely leveled, resulting in lines on the white paint surface that are not smooth. Some painters, in order to make up for the roughness of the big core board, and the thick batch of putty, it is easy for the paint to peel off.
Preventive measures: During the mid-term acceptance, the carpentry works are carefully checked. If the paint is not made on the panel, it should be a plywood or Australian pine board. In principle, when the carpentry is accepted, almost no exposed big core board can be seen. If so, it must be carefully studied.
Home decoration manual woodwork quality problems
Workers take it for granted. The result is that there is a difference between the shape, size and construction drawing: