1★★ What is the difference between deposit and deposit? 2 ★ ★. Tiling brick cement is the bigger the better? 3★★ Waterway reform needs pressure test? how to do? 4★★ How to check if the tiling has empty drums. The emptying rate should be controlled in order to determine the number of qualified stone or brick hollows. You can use hammers, small wooden sticks, etc. to hit the corners and the center of the stone or tile. If the sound is crisp, it indicates that the shop is tight and if there is a stuffy drum The voice indicates that there is an empty drum phenomenon. Empty drum rate should be controlled at 3% to be qualified 5★★ shop composite floor, what are the requirements for the flatness of the ground? 6★★ How to manage the wide cracks in the walls. 7★★ Geothermal heating, should floor or tile be laid? 8★★ How do you know if the original putty on the wall is a waterproof putty. Whether the original putty must be shoveled off! 9★★ How do cement coagulation experiments? 10★★ My home has a window on the external load-bearing wall. Can it be made wider? 11★★ How to make a water proof experiment. 12 ★ ★ vitrified brick construction, use should pay attention to what? 13★★ How to judge the quality of the tiles? 14★★ How to solve the problem of height difference between floor and floor tiles? 15 ★ ★ How to receive the tile to the door? 16★★. What is the arrangement of the wires in the socket? 17★★ Laminated wood flooring, uneven flooring, what to do? 18 ★ ★ how to care. Composite wood flooring? 19★★ What is the easiest way to judge the wear resistance of composite wood flooring? 20★★ What are the main technical indicators that should be understood when purchasing composite wood flooring? 21★★ What are the advantages and disadvantages of solid wood flooring, high-strength composite flooring, and solid wood flooring? 22★★ What is the current domestic standard for releasing formaldehyde from laminate floors? 23 ★ ★ In the circuit transformation, the cross-sectional area of ​​the wire is selected. What should be noticed under normal circumstances? 24★★ Can the cement structure wall be slotted horizontally? why? 25 ★ ★ bathroom waterproof how to do? 26★★Why shouldn't bricks be used as floor tiles? 27★★ What should I pay special attention to when installing geothermal floor? 28 ★ ★ The original floor has been tiled, and now I want to change other tiles, the original tile should not be shoveled off? Do you want to remove the laminate flooring? 29★★ Would you like to sign a contract if you want to decorate the team? Is there a legal guarantee for the contract? 30★★ There are no bricks, do you want to stay? 31★★ Is it possible to paint directly with a big board? 32★★ How does the new wall meet with the surrounding old wall? 33★★ Under what circumstances should bricks be ground to a 45 degree splicing? 34★★4 How to distinguish between Fengzhen black and Chinese black? 35★★ What is the national standard for the degree of wall flatness? Check with a 2 meter ruler and a feeler gauge, no more than 3 mm. 36 ★ ★ What is the role of primer? 37 ★ ★ fixed toilet, can you use cement. 38 ★ ★ The number on the pressure gauge is 0.5 1.5 2.5. What is the unit? 39★★ Is the wall in the middle of the bedroom and the balcony a load-bearing wall? The wall of my home is with a window above it. Can it be destroyed? 40★★ Why should the old house decoration pay attention to hydropower reform? 41 ★ ★ How to do water leakage at the bottom of the water pipe? 42 ★ ★ The main pollution of interior decoration are those. How is it caused? 43 ★ ★ How to check the quality of wires 1 . Depends on. See if there is a quality system certification; see whether the certificate is standardized; see if there is a factory name, site, inspection seal, and production date; see if the trademark is printed on the wire, specifications, voltage, etc. It also depends on the cross-section of the copper core of the cable. The superior product has a bright, soft color and a reddish yellow color in the copper core, indicating that the copper used is of good quality, while the yellow and white is the reaction of the low-grade copper. Otherwise it is defective. 44★★ How to choose composite wood flooring? 45 ★ ★ How to choose a toilet. Should pay attention to those places? 46★★ How to check the brickwork project? 47★★How to Accept the Wall Paint Project 48★★ How to accept hydropower engineering? 49★★ How to judge the quality of Daxin board? 50★★. Laying ceramic tiles and solid wood flooring. Does the ground need to be as early as possible? 51★★ What is a solid wood door and what are its advantages and disadvantages? 52 ★ ★ What is a molded door? What are its shortcomings? 53★★ What is a composite door and what are its advantages and disadvantages? 54★★ What is double bag door, what are its advantages and disadvantages? 55★★ What is dry shop, wet shop? What kind of spring brick are they suitable for? 56★★ What are the advantages and disadvantages of materials suitable for kitchen countertops? 57★★ Family homes need to go a few ways? Experience talk paint cement formaldehyde socket marble black floor tile counter marble tile glass counter craft glass glass brick kitchen wall tile kitchen cabinet door floor tile glass door kitchen glass sliding door bathroom tile bathroom door bathroom tile color bathroom wall tile bathroom door size bathroom size bathroom waterproof Price Overall Toilet Bathroom Design Toilet Waterproof Bathroom Floor Tiles Bathroom Leakage Bedroom Lighting Tile Tiles Ceramic Tiles Specification Tiles Price Kitchen Tiles Balcony Tiles Bedrooms Acid Resistant Tiles Floor Tiles Bedroom Lamps
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"Deposit" and "deposit" are only one word difference, but their legal meaning is quite different. "Deposit" contains the nature of a deposit. Article 115 of the "Contract Law" stipulates that: "The parties can follow the guarantee of the People's Republic of China. The "Law" stipulated that one side would pay the deposit to the other party as a guarantee of the creditor's rights. After the debtor has fulfilled his obligations, the deposit shall be credited to the price or recovered. If the party that has paid the deposit fails to perform the agreed debt, it has no right to demand the refund of the deposit; if the party receiving the deposit does not perform the agreed debt, it shall double the deposit. "The term "deposit deposit" is not expressly provided for in law. It generally only represents a pre-paid price, and there is no question of compensation for breach of contract.
The larger the number, the better the compressive and tensile strength. Tiles generally use 325 on it. The label is too high and it is easy to tear the brick.
The waterway reform must be subjected to a pressure test, with a pressure machine hitting 6 to 8 atmospheres "0,6 to 0,8 MPa", 30 minutes, without leakage.
Within 2 meters, the height difference does not exceed 3 mm.
Dig each crack into a v-shaped shape, fill it with a 903-glued gypsum powder and dry it with a grid tape, scrape the plaster, level it, and then apply a good cloth (full post) to putty, leveling , sanding, brush five in one.
You can, if you only consider environmental protection, choose tiles. Famous brand tiles meet environmental requirements. Although the composite floor has pollution, but as long as you choose to achieve the national environmental protection, do not have to be too scared.
Scrub with water, it is not waterproof putty. To shovel out, it is not easy to drop waterproof putty, you can not shovel!
Stir the cement with proper water and allow it to solidify. After 6 to 12 hours, look for caking. If powdered indicates poor cement, it has deteriorated or expired. If you stick bricks, it is easy to remove them after a day or two, indicating that you use inferior cement.
No! It will destroy the housing structure and violate the 110th order of the Ministry of Construction!
Close the drainage floor drain with a plastic bag, and build a small pier on the edge of the floor drain and at the entrance to prevent water; then put about 1cm deep water, and after 24 hours, see if there is water leakage under the floor. It should be noted that the premise of this test is that you have already done waterproofing, and you need to test it before placing the tiles.
The only defect of vitrified tiles is that, after grinding, the hair pores are exposed and the oil, dust and other substances are easily infiltrated. Some products are surface anti-fouling treatment before leaving the factory, blocking the pores of the hair, so that the dirt will not infiltrate. However, not all manufacturers of this type of product have this antifouling process. When the pavement is used without care, smudges may occur. We often see a lot of TX asking what will happen to stained tiles. To know that oil penetrates, it is very difficult to clean it completely. Consumers must ask clearly at the time of purchase and do not do anti-fouling treatment. The vitrified tile should be waxed during use, and the general floor wax can be used. To avoid damaging the brick surface before construction, apply a woven bag and other non-decolorizable items to cover the brick surface.
1 Hand touch: glazed glaze should be smooth and delicate, touch no particles; shiny surface should be crystal glossy, no matte surface should be soft and comfortable.
2 Look: Look at the color difference, put a few pieces of ceramic tile together and look closely under the light. The color difference of a good product is very small, and the color tone between the products is basically the same; while the poor color difference of the products is great, the color shade between products is not one.
To see if there is a crack, the pinhole is flat. The deformation can be observed directly with the naked eye. The product is required to be straight and flat, and the four corners are 90 degrees, so that the product is small in deformation, convenient in construction, and the brick surface is smooth after paving.
The pattern color pattern should be exquisite, realistic, no obvious defects such as lack of color, broken lines, and misalignment.
3, Amount: Specifications can be measured with a caliper. The deviation of good product specifications is small. After laying, the products are uniform, bricks are straight, and the decoration effect is good. Poor product specifications vary widely, and products vary in size. Posted ugly.
There is also a simple way to align the bricks upright and align them. Small bricks allow plus or minus 0. 5mm, big bricks 1mm
4 Measurement of water absorption: Long-lasting ceramic tiles are not cracked, deformed or contaminated for a long time. You can use the following simple method to judge: Use the ink behind the product to see if the ink is automatically dispersed. In general, the slower the ink dispersion speed, the smaller the water absorption rate, the better the inherent quality, and the better the product's longevity; otherwise, the poorer the product's longevity.
5. Listen; use a hard object to knock bricks, sound crisp, like metal sound, for a good brick. The sound is abnormal, indicating that there is a crack or heavy skin phenomenon.
6. The slip resistance of non-slip ceramic tiles is very important. Generally, ceramic tiles with non-slip functions should be used in places such as bathrooms and kitchens. Bathrooms and kitchens, should choose tiles with low water absorption.
The difference in elevation is not used for the stone. The height difference can be made in the morning with sand or stone, or bedding treasure.
.To confirm the quantity, buy the tiles are calculated by piece, rounding.
2. It is also the most important point! To check is not a color number! If you forget to check it, you will be miserable! Remember that the color number is also good to make up the brick!
3. Each tile is best to leave a few slices! In case of damage later, there is good spare.
The left-side zero line, right-side phase line, and upper-side ground line cannot be connected incorrectly; the neutral line, phase line, and ground line are applied with wires of different colors.
1 Early morning with cement sand. 2 can be used to pave the treasure. 3 If it is a small area of ​​uneven, you can use gypsum powder plus plastic leveling, or fast glue leveling on it.
Never use water to flush the floor;
The floor cannot be cleaned with a highly corrosive cleaner. The wear layer is aluminum trioxide. It is an amphoteric oxide that reacts with acid and reacts with alkali. Avoid alkaline substances, wipe with ordinary water, scrub with rice water is also a good way.
Avoid sanding, waxing or painting on the floor
Rubbing with sandpaper is easy to judge.
1 wear index; home improvement can reach 6,000 rpm. 2 . The smaller the amount of formaldehyde released, the better. 3 After water absorption, the volume expansion rate; the smaller the better. "Excellent product's water-absorption thickness expansion rate is below 2.5%; first-class products' water-absorption thickness expansion value is below 4.5%.
Solid wood flooring, advantages, environmental protection, good foot feel, texture, color, natural, beautiful. Disadvantages The texture and color difference are relatively large. It is necessary to play wood keel when paving, and the price is relatively high. It is easy to crack, deform, and often wax, cleaning a little trouble.
High-strength composite flooring: advantages of high hardness, good wear resistance, easy installation, convenient, low price, easy to clean without waxing, wipe with a clean cloth on it. Disadvantages: Feeling slightly worse.
Solid wood composite flooring: It absorbs the advantages of the above two, the price is between the two, but the hardness is the worst of the three. Because it is formed by interlacing and laminating plates of different tree species, it overcomes the disadvantages of unidirectional homogeneity of solid wood flooring, has a low shrinkage and swell rate, good dimensional stability, and retains the natural wood grain of solid wood flooring. Comfortable feel.
E1 grade formaldehyde emission value ≤ 9mg/100g. E2 ≤ 30mg/100g, E2 can be used, it is best to choose E1.
The wire diameter of the air conditioner is not less than 4 square millimeters of wire; the common socket uses 2.5 square millimeters of wire; the general lighting uses 1.5 square millimeters of wire.
No, it is easy to cut off the steel bars, destroy the structure of the houses, and bring security risks!
The self-leveling layer returns 30 cm to the wall. Shower and walls with waterproof requirements, back 180 cm high. The waterproof coating should be applied completely, without omissions, and it must be firmly bonded to the grass roots, without cracks, without bubbles, and without falling off. The brushing height is the same. The thickness must meet the product requirements.
Strictly speaking, the wall tiles are pottery products, and the floor tiles are usually porcelain products. Their physical properties are different. There is a big difference between the selection of clay ingredients and the firing process. The water absorption rate of wall tiles is about 10%, and the specific water absorption rate is only 1% of floor tiles are several times higher. The floor of the bathroom and kitchen should be laid with low water absorption floor tiles, because the ground will often use a lot of water to wash, so that tiles can not be affected by water vapor, do not absorb stains.
Pay attention to the treatment of the ground before installation. The ground floor of the shop floor must be horizontal within a radius of 2 meters. The height difference should not exceed 3 mm. The ground should be completely dry. In the process of installing the floor, the supervising installation worker must not drill nails on the ground to avoid leaking geothermal pipes so that the geothermal system can run water and the floor water can be scrapped.
Tiles need to be shoveled out of the original spring brick, otherwise it is difficult to stick firmly. Laminate flooring, as long as the original ground level, you can not shovel!
The signing is not better than signing, but the contract will not be protected by law because the use of the decoration team itself is illegal and it violates the 110 order of the Ministry of Construction. Regardless of decoration associations, consumer associations, industry and commerce, and courts, your complaints will not be accepted. There are risks, there are problems, there is nowhere to complain, they ran and you have no place to look.
To stay 0. 5-1. 5 mm every, "with shooting nail control" to prevent thermal expansion squeezed off each other. It is not possible to reduce the impact due to size.
The quality is not particularly good. It is best not to brush directly. It is easy to foam. Adornment panel and then brush!
One meter high and one steel bar (20-30cm) at the junction with the old wall
Yang angle to grind 45 degrees stitching. The inside corners can be spliced ​​without grinding.
Fengzhen black oil black, black and gray Chinese black!
It is used to improve the adhesion of the top coat, increase the fullness of the top coat, provide anti-alkaline, provide anti-corrosion function, etc. At the same time, it can ensure the uniform absorption of the top coat and make the paint system play the best effect. The quality of the topcoat can be reduced without the use of a primer. This is incorrect because the function of the topcoat and the primer is different. The topcoat is more focused on the final decoration and appearance, while the primer is focused on improving the adhesion and corrosion protection. , anti-alkaline and so on.
No! Because the future maintenance of the toilet can easily damage the toilet. Glass glue should be used!
Above is MPa, "megapascal" 1 megapascal = 10 atmospheres. Water reform pressure test, pointer to 0. 8 on it.
This wall cannot be knocked off. It serves to balance the balcony. Destroying it may cause the balcony to collapse.
Aging of the old house water pipes, water pipes, zinc-iron pipes, wire design conservative, small diameter, low loop, bathroom, kitchen did not do waterproof.
Open the floor tile around the floor drain and dig out the cement around the floor drain 3cm deep! Then use the “plugging spirit†to seal it. After 1 hour, close the water test and see if it still leaks water downstairs. If it does not leak, it can be restored.
formaldehyde. Mainly from artificial plates,
Benzene series. Including benzene, toluene and xylene, etc., mainly found in paints, adhesives and various interior wall coatings.
Ammonia. Indoor ammonia mainly comes from concrete antifreeze.
radon.放射性 Radioactive substances produced by the decay of three radioactive elements of radium, thorium and potassium in building cement, slag bricks, decorative stone, and natural stone in soil.
2. Try it. It is advisable that a wire head be repeatedly bent by hand, and that any product that has a soft hand, a good anti-fatigue strength, a large elasticity of a plastic or rubber feel, and no cracks on a wire insulator is an excellent product.
3. Take a section of insulation to see if the core is in the middle of the insulation. Non-centered is due to the fact that the process is not high and the eccentricity phenomenon is caused. If the power is small, it can be safe when used. Once the power is used, the thinner side may be broken down by the current.
4. It is necessary to look at the length and core thickness of the core. The relevant standards stipulate that the error of the length of the wire cannot exceed 5%, and the diameter of the cross section cannot exceed 0.02%. However, there are a large number of short and short lengths on the market, and fraud is made on the cross section (if the cross section is marked as 6 squares. The millimeter line is actually only 4.5 square millimeters thick.
1. Recognize whether or not there is a brand identity, pay attention to the name and address of the manufacturing company, and avoid buying three products.
2. The environmental protection index refers to the amount of formaldehyde released from the composite floor. The formaldehyde emission value of E1 grade is ≤ 9mg/100g. E2 ≤ 30mg/100g, E2 can be used, preferably E1
3. International standard thickness is 8mm, products below this thickness should be treated with caution.
4. Abrasion resistance. The general wear-resistant rotation above 6000 turns can fully meet the needs of home decoration.
5. Composite flooring water resistance index. The water-absorption thickness expansion rate of excellent products is below 2.5%; the water-absorption thickness expansion rate of first-class products is below 4.5%. Put a small piece of laminate flooring into the water with water bubbles. The quality of the water absorption is poor. The smaller the water absorption, the better.
1 Choose the size that fits your size, so it's important to choose a suitable size based on the pit distance.
2 whether the sewage is smooth,
3 pay attention to the bathroom outlet. Is the lower row or horizontal row.
4 pay attention to choose different drainage methods;
5 Note Select the water saving type.
6 separate toilet and one-piece toilet.
Must be firm, emptying rate is within 3%. No skew, missing corners and cracks and other defects. Wall tile paving surface should be smooth, color coordination, reasonable pattern arrangement, no discoloration, pan-alkali, dirt marks and significant gloss damage. The bricks are straight, uniform and uniform in color, and the yin and yang corners are in the correct direction. Non-whole bricks are suitable for use and are arranged straight. The hole has the correct size and the edges are neat. The flatness was checked by a ruler with an error of less than 2 mm, a vertical error of the facade of less than 2 mm, a deviation of the joint height of less than 0.5 mm, and a flatness of less than 2 mm.
1 putty flat, solid, no chalking, peeling, powder
2 The wall paint finish is uniform and firm, and must not be leaked, penetrated at the end, or peeled off from the skin.
1 circuit acceptance
1 Electrical product materials must be qualified products that meet relevant standards.
2 The electrical wiring should adopt the dark pipe laying, the wire should not have knots and kinks in the pipe, it is forbidden to bury the wire directly in the plastering layer. The wires are open inside the catheter.
3The switches and sockets are securely installed, the position is correct, the cover is positive, the surface is clean, close to the wall, there is no space around, and the height of the same room switch or socket is the same. Construction in strict accordance with the drawings.
The wire trough must be horizontal and vertical on the wall, and the height of the cassette should also be the same.
Strong and weak circuits must be separated. The distance between strong and weak wires should be 50 cm.
Sockets use the electric pen to check the socket order. They must be the left zero line, the right fire line, and the upper line. The switch must control the fire line.
Measure the insulation resistance with a megger and check that the insulation resistance of each circuit is not less than 0.5M ohms.
Do electrical power, lighting test, switch test control. Conditional short-circuit test, open air should be normal operation.
When the project is completed, it is necessary to provide a schematic diagram of the wiring work, indicating the direction of the dark pipe.
Waterway reconstruction
1 Pipeline pressure experiment should be done after the completion of the waterway reform. The experimental pressure should not be less than 0.6MPa. Only closed the sink after the pressure test
2 After waterproofing, do a closed water experiment and do a water-blocking experiment before you can tiling.
3 waterway reform generally distinguish between hot and cold water pipes. Hot water pipe outlet is generally left hot right cool, hot and cold water outlet is generally 15CM. Hot and cold water exports must be parallel. Water outlet is normal. General water outlets are all 4 points standard interfaces.
4 Slotting of the water route shall ensure that the buried pipe is in the wall, on the ground, and shall not be exposed after decoration. Slotting should pay attention to as long as it can be buried in the pipe, do not damage the building structure
5 PPR tube, this tube needs heat welding during processing.
6 whether all the water pipes are clogged.
6, after the waterway reform is best to have a waterway map, in order to avoid accidentally hit the water pipe in the subsequent decoration
A look at whether it is a regular manufacturer's product.
To see whether the amount of formaldehyde released in the product test report meets the national standard 3 Look at the appearance quality of the Daxin board. To see whether the surface of the Daxin board is smooth, whether it is warped or deformed, or whether there is bubbling or depression; the blockboard can be cut open at the site or during construction to observe whether the inner core strip is even and tidy, and the gap is as small as possible; The width of the core must not exceed 2.5 times the thickness, otherwise it will be easily deformed; the core strip should be free of decay, cracks, wormholes, knots, etc.
Whether the arrangement of core strips is even and tidy, and the gap is as small as possible, whether the core strip is rotted, broken, wormhole, knotted, etc. Generally, the inner quality of the large core board with good appearance quality is correspondingly better.
Four to see if there is odor. If the Daxinban emits a scent of fragrant wood, it means that the amount of formaldehyde released is less; if the smell is pungent, it means that the amount of formaldehyde released is more or not to be purchased.
No additional morning is needed.
. Solid wood doors are the doors that are entirely made of solid wood. The advantages are environmental protection, clear grain texture, and a strong sense of unity and three-dimensionality. . The biggest drawback is that it is easily deformed and cracked.
Is the use of three or five centimeters density plate after molding by the mold, and then processed in accordance with the process of double package door. Its advantage is not easy to crack deformation, the disadvantage is that the door is very light, no feel, low grade, the door Very few styles.
The internal quality of the composite door is not the same by hot pressing or cold pressing or manual bonding of a variety of materials. There may be solid wood in the inside may also have very little solid wood. Most of the internal use of German imported hollow particle board, bee window paper, medium density board particle board filling. The main frame is made of solid wood, medium density board and particle board.
Advantages are not easy to crack deformation, feel, the style of the door is varied. The disadvantage is that internal materials are not uniform, so that some businesses shoddy in quality, the people are difficult to distinguish the authenticity.
It is a kind of door processed by ordinary methods. The process is simple and the production cost is relatively low. Its interior is a wooden keel, and the exterior is decorated with plywood on the market by the two, and the outer surface is combined with some solid wood lines. The double wrap door is best suited for processing flat doors.
Its advantage is that it is not easy to crack and deform. The disadvantage is that the door is very light, there is no feel, the grade is low, and the style of the door is very few.
After the grass roots are moistened, floating sand and debris are removed. Wipe the bonding layer and use one to three dry cement mortar "Semi-dry semi-wet". 3. Spread the flats along the horizontal line and place the bricks on the mortar with a rubber mallet.
3. Apply a 1:2 or so grout evenly over the back of the brick. Attach it directly.
The floor tiles should be used in dry shops. The wet shops should use wet floors. The ground floor tiles should be wet because there is more moisture in the mortar and water evaporates during the solidification process. It is easy for some small air bubbles to appear, causing gaps between the floor tiles and the mortar. . Therefore, wet floors cannot be used if the quality of the floor decoration is high. However, some materials, such as glass or ceramic mosaics, small-size ceramic floor tiles, and low-cost, low-demand floor finishes can also be wet-laid.
There are fire board, artificial stone, natural marble, granite, stainless steel and so on.
Fireproof board countertops: The base material is a density board, and the decorative surface is fireproof board. Thickness: 4mm. Colorful and diverse, fire, moisture, oil, acid, high temperature, easy to clean.
Artificial stone: The surface has no pores and has strong resistance to dirt, acid, corrosion and wear. It is easy to clean. With the elegance of natural marble and the hardness of granite, the seams are tight and even seamless, the lines are smooth and smooth, and any shape can be made. Good price is high.
Marble: beautiful, natural marble has pores, easy to retain grease, and natural marble is brittle, and can not make tabletops more than 1 meter. There are joints on the countertop made of natural marble. These joints are also easy to accumulate dirt and affect sanitation. It is rarely used now.
Granite. Strong and cheap. Compared with man-made. The appearance is not as good as natural stone is short, generally about 2.5 meters, do the table need to be transparent glass glue splicing; natural stone corners are not easy processing of artificial stone processing.
Generally four or five ways can be used. Air conditioning, kitchen bathroom, common socket, lighting. Or add another way to the bathroom. "An Electric Water Heater"
Open the door on the load-bearing wall, can you open the window?
No! In violation of the 110th order of the Ministry of Construction, it will destroy the housing structure!
Decoration knowledge quiz super useful