Water-based paint coating engineering construction process standards

Water-based paint coating project construction process standards
I, basic provisions
1. The units responsible for the construction of architectural decoration works should have the corresponding qualifications. Construction site quality management should have the corresponding construction technical standards, sound quality, safety management system, construction quality inspection system.
2. When the material enters the field, the tip of the variety is

. There should be product certificates, Chinese and related performance testing reports;
3. Water-based paint coating project construction should have construction drawings, design instructions and other design documents.
4. The grass-roots treatment of the coating project shall meet the following requirements:
(1) the concrete or ash-coated base of the building shall be coated with an alkali-resistant closed primer before applying the coating.
(2) concrete or ash base brush emulsion-type coating, the moisture content should meet the requirements of water-soluble coating products.
(3) the grass-roots putty should be flat, solid, solid, powder-free, peeling and cracks;
(4) water-resistant putty must be used on the kitchen and bathroom walls.
5. The ambient temperature of water-based paint coating project construction should be between 5 and 35 degrees C.
6. The coating works shall be quality acceptance after the end of the maintenance period of the coating.
, construction preparation
(i) material preparation
paint, putty and so on.
(ii) Technical preparation
1. Be familiar with the drawings carefully.
2. Preparation of construction plans and approval of the review. Technical bottoming according to approved programmes.
3. Water-based paint coating project should be done before the construction of the model room, and confirmed by the parties concerned.
4. Painting the grass-roots should do the necessary construction technology treatment.
(iii) the main implement
1. Brushes, liners, feeding buckets, balances, scales, etc.
2, wool rollers, sponge rollers, supporting special rollers and homogeneity plate and other tools.
3, plastic rollers, iron plate and other rolling tools.
4, air compressors and other spraying equipment.
5, rubber scrapers, steel smears, electric grinders, grinding blocks and so on.
(iii) Operating conditions
1, coating works shall be completed and accepted after the completion and acceptance of ash, ceiling, detail, ground and electrical works.
2, wall painting, scaffolding or basket has been installed and passed the acceptance, horse stool set up, in line with safety requirements.
3, the wall face hole has been repaired: doors and windows, equipment lines have been installed, the hole has been blocked and flattened;
4, the interior wall painting, indoor dust has been completed, the dryness of the wall has reached the relevant requirements of the use instructions of the decoration products, do not spray the brush part has been done to block.
(4) Construction organizations and personnel preparation
professional and technical personnel should be configured reasonably, the labor force has been organized to enter the scene. Professional and technical personnel and special types of work must be certified for employment, and should be pre-job training.
, materials and construction quality control
(i) material points
water-based paint coating engineering paint varieties, models and performance should meet the design requirements. The material should have a product certificate, performance inspection report and enter acceptance record.
1, paint engineering used in the paint, should have product name, implementation standards, types, colors, production dates, shelf life, instructions for use.
2, the choice of coatings, in order to meet the requirements of the use of functional requirements should be in line with the principles of safety, health, environmental protection. Inner wall coatings should be selected through the green pollution-free certification of products.
3, decoration materials should be stored in a special warehouse, according to varieties, lot numbers, colors are stacked. The material should be stored in a cool, dry and airy environment, and its storage temperature should be between 5 and 40 degrees C.
(ii) Technical points
colors and patterns of water-based paint coating projects should meet the design requirements.
(iii) Quality points
1, water-based paint coating works should be uniformly coated, firmly bonded, not leakage, permeable, peeling and powdering.
2, water-based paint coating project grass-roots treatment in line with the standard requirements.
3, coating and other decoration materials and equipment interface should be consistent, the interface should be clear.
4, construction process
(i) synthetic resin emulsion interior wall coating engineering process
grass-roots treatment, filling gaps, local scraping putty → grinding flat→ the first time full of scraping putty → grinding→ the second full scrape putty → grinding→ cleaning, sticking paper tape→ brushing the bottom layer Coatings →repose putty→ grinding, partial brushing of the bottom coating →the first surface coating→ the second surface coating→ cleaning
(ii) synthetic resin emulsion interior wall coating engineering operation process
1. grass treatment, filling gaps, local scraping putty: concrete walls and gray walls, must be inserted twice putty. The first time should pay attention to bubbles, sand eyes, collapse uneven place scraping flat, the second time putty to find flat face.
2. Grinding: after drying the local scraping putty, use 0 to 2 sandpaper artificial or mechanical polishing flat. Manual grinding should ensure flatness, mechanical grinding is strictly prohibited to press hard, so as to avoid damage to motor overload.
in order to prevent wood to board the base of the pan-bottom color change, wood splint surface application of nitro, alcoholic varnish, etc. to do back cover treatment.
3. The first time full of scraping putty: the first time full of scraping putty, before the construction will be clean the grass surface, the use of rubber scraper scraping board full of scraping again, scraping to a plate row a board, two boards in the middle of a board, not only to scrape strictly, but also must not have a clear pick-up and bump thin scraping, bump thick scraping, large area to find flat.
4. Grinding flat: after the first putty dry, use 0 to 2 sandpaper to smooth and sweep.
5. The second time full of scraping putty: use thin putty to find flat, and do the feet straight, yin and yang square.
6. Grinding: the sandpaper used should be fine, to polish the sand pattern does not prevail. The treated bottom layer should be smooth and smooth, the yin and yang angle lines smooth and straight, no cracks, corners and sand-eye spots. Base flatness to the side lighting without obvious bumps and scraping marks, no rough feeling, smooth surface for qualified.
7. Clean up, stick paper tape: the second time putty scraped flat, the construction site and brush surface to clean up, clean all the floating ash, dusting, vacuum treatment. Then, on the door and window frame, wall decoration shape, soft bag, wallpaper and kick line, wall skirt, paint surface and other areas with the interior wall paint boundary, with paper tape or paste waste paper to cover, the finished ground should also be paved to prevent, to ensure that when painting paint, do not pollute other finished products that have been renovated.
8. Brushing the bottom coating: the bottom coating mainly play a closed, alkali-resistant and connection with the paint. Its construction environment and dosing should be carried out in accordance with the requirements of the product instruction manual. Before use should be stirred evenly, used up within the specified time, so that the brush is uniform, thick and consistent.
9. Patch putty: for some shedding, cracks, angle is not square, line is not straight, local unevenness, pollution, sand eyes and appliances, doors and windows frame around the area with thin putty complement.
10, flattening, partial brushing of the bottom coating: to be re-filled putty dry through, with fine sandpaper sanding flat, smooth, straight, and then the bottom coating in this part of the brush uniform, thick and consistent.
11, the first surface coating: the bottom coating to be repaired after drying out the coating surface layer. The consistency of the first surface coating should be controlled so that it does not fall when coating, does not show brush lines, and must not be arbitrarily diluted during construction. Its construction environment and dosing should be carried out in accordance with the requirements of the product instruction manual. Stir well before use and run out within the specified time. The order of interior wall coating construction is first left and then right, first up and down, first difficult and then easy, first corner and then big face. Brushing, after each coating should be rolled back and forth on the homogenous plate or add material on the side of the barrel, the coating film should be fully covered, not through the shadow, the surface is uniform, not exposed, not falling, uniform color, to ensure the thickness of the coating.
For drying faster coating materials, large areas of brushing, should be multi-person operation, flowing water operation, brushing in the same direction, should handle the joint part, so that the upper and lower coating joints are not obvious joints, paint dry color uniform.
12, the second surface coating: water-based paint construction, the last coating must be done after the previous coating table dry. When the brush face is vertical, the last coating should be brushed up and down. When the brush surface is horizontal, the last coating should be brushed in the direction of light exposure. When brushing a wood surface, the last coating should follow the direction of the wood grain. All brush finished, should carefully check whether all brush to, whether there is a pendant, skin or wrinkles, the corner of the oil problem, and should be dealt with in a timely manner. For paints with poor leveling and fast volatility, do not brush back too much over again. Do no powder, peeling, brush leakage, permeable, pan-alkali, bite color, drop and drop.
13, clean up: the second paint brush finished, all paper tape, protective film, waste paper and other masks cleaned up, especially with the paint boundaries and masks, paper to be careful, it is best to use a cutting knife straight, and then remove the paper or tear tape, to prevent the paint film tearing into gaps to affect the aesthetic effect.
(iii) Synthetic resin emulsion interior wall coating, exterior wall inormeric building decoration engineering process
grass-roots treatment, filling gaps, local scraping putty, grinding flat →smearing the bottom coating→ the first surface coating→ the second time Surface coating
(iv) synthetic resin emulsion exterior wall coating, exterior wall inormeric building coating engineering operation process
1. Grass-roots treatment, filling gaps, local scraping putty, grinding flat: with synthetic resin emulsion interior wall coating engineering requirements. After drying the local scrape putty, use 0 to 2 sandpaper artificial or mechanical polishing flat. Manual grinding should ensure flatness, mechanical grinding is strictly prohibited to press hard, so as to avoid damage to motor overload. After polishing, the bottom layer should be flat, straight line, angle side.
2. Brushing the underlying coating: the requirements related to the interior wall coating project of synthetic resin emulsion.
3. First surface coating: the construction method mainly has brush coating and spraying two methods, the consistency of the paint should be controlled, so that it does not fall when applied, do not show brush lines, the construction process must not be arbitrarily diluted. Its construction environment and dosing should be carried out in accordance with the requirements of the product instruction manual. Stir well before use and run out within the specified time. The construction of large-area exterior wall coating works should be carried out from top to bottom on each facade of the building, from left to right, and the segmented construction of the coating shall be divided into sectional seams, wall yin and yang corners or falling water pipes. When painting, the amount of paint is moderately uniform, the brush is light and smooth, the brush is uniformly applied, and the thickness of the brush should be appropriate and uniform. Such as paint drying fast, should be diligent short brush, pick-up is best in the gap seam. The use of traditional construction rollers and brushes for brushing, after each material should be in the homogenous plate rolling back and forth or in the barrel When spraying, the consistency of the coating and the pressure of the spray gun should be controlled to keep the coating thick and thin even, not exposed, not falling, uniform color, to ensure the thickness of the coating.
For drying faster coating materials, large areas of painting, should be multi-person operation, running water operation, brushing in the same direction, should handle the joint part, so that the upper and lower coating joints are not obvious joint part, the paint after dry color uniform.
4. The second surface coating: the construction of water-based paint, the 3nd coating must be carried out after the previous coating table dry. When the brush face is vertical, the last coating is brushed from top to bottom. When the brush surface is horizontal, the last coating should be brushed in the direction of light exposure. All brush finished, should carefully check whether all brush to, whether there is a pendant, skin or wrinkles, the corner of the oil problem, and should be dealt with in a timely manner. For paints with poor leveling and fast volatility, do not brush back too much over again. Do no powder, peeling, brush leakage, permeable, pan-alkali, bite color, drop and drop.
5, quality standards
thin coating quality and inspection methods
thick coating quality and inspection methods
multi-layer coating quality and inspection methods
6, finished product protection
1) The finished product protection of the inner wall coating
1. Each brush should clean up the surrounding environment, to prevent dust pollution paint, paint before drying must not clean the ground, drying can not be near the wall splashing water, so as not to stain the finished surface.
2. After each coating construction, the doors and windows should be closed to prevent touching.
. In the event of a sudden drop in temperature during construction, the necessary measures should be taken to protect it.
4. After the last light coating brush is finished, the air should circulate to prevent the coating film after drying the surface without light or lack of luster.
. Don't go near the wall.
. After the construction of the coating is completed, it shall be maintained according to the time and conditions specified in the instructions for the use of the coating, and the coating film shall be completely dry before it can be put into use.
(ii) the finished product protection of exterior
1. Clean up the surrounding environment and prevent dust pollution before each brushing. Paint should not clean up the surrounding environment before drying, to prevent dust pollution. Paint dry also must not be close to the wall or from windows, balconies splashing water and litter, so as not to pollute the paint surface.
2. Care should be taken to protect non-coated finishes from contamination. After the construction of the brush is completed, the pollution caused by the coating should be removed in time.
3. The bottom paint is finished and must not be touched. Do not break the coating when removing scaffolding.
construction of the coating is completed, the maintenance shall be carried out in accordance with the time and conditions specified in the instructions for the use of the paint, and the necessary antifreeze measures shall be taken in winter.
. In the construction process, if the temperature changes, should take timely measures to protect the coating film, and in the appropriate location to leave a good joint, suspended construction.
(iii) the finished product protection of ground
1. Before each brushing, the surrounding environment should be cleaned to prevent dust pollution paint.
2. After each coating construction, the doors and windows should be closed to prevent crushing or contamination of the coating.
. In the construction, attention should be paid to the weather changes, if it rains, the ground tide back, should stop the construction;
4. Coatings in the construction and use of the process, should pay attention to protection, to prevent bumps, not to wear nail shoes into.
. Paint construction is complete, should be applied according to the coating