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Finished product protection

1. The general methods for the protection of finished products include: "cover, cover, enclose, block, pack, tie".

Cover: Cover the finished product, for example, cover and protect the ground engineering with sawdust;

Covering: That is to take measures such as sheltering to cover the finished product;

Enclosure: That is, enclosing measures are taken around the finished product to restrict the entry of people and vehicles;

Plugging: The pipelines related to drainage and electricity will be blocked in advance to prevent the debris and mud from clogging the holes;

Package: It refers to the package work of the finished product, such as foam board, cloth strip, equipment packaging box, etc. for packaging and transportation of objects;

Tied: That is, during the transportation of objects, measures such as lashing and bracket fixing are taken to prevent the damage of materials during transportation and lifting.

 

Second, the correct and reasonable construction sequence is the prerequisite for good product protection, and is the key to the best results of all finished product protection methods.

Reversing the order of construction will cause cross-contamination of the process to be overwhelmed. Before organizing the construction, a detailed construction plan should be prepared, the rationality of its procedures should be reviewed and implemented according to the approved construction plan. If the process is not reasonably arranged, causing pollution of the finished product, the relevant management personnel should be held accountable. All majors should cooperate with each other and strengthen communication. For example, the pre-embedded work of hydropower pipelines should get in touch with the civil engineering work in time to do the embedding, avoid excavation afterwards, and adversely affect the structure and waterproofing. There is inevitably cross-operation between various professions. When mutual influence is involved, all parties should strengthen consultations and adopt corresponding protection measures for finished products to minimize their impact on finished products.

25 specific measures

The projects involved in the decoration are complex and complicated, and the finished product must be protected before the decoration. If the construction is not continued and the occupancy will cause a lot of unnecessary troubles and losses.

1. Protection of decorative raw materials

1. After all the raw and auxiliary materials are qualified by the engineering department, the warehouse manager of the construction party is responsible for the material storage, complete the storage procedures, and mark clearly according to the regulations. Mixed storage is strictly prohibited. Only qualified materials and finished products enter the finished product warehouse.

The administrator of the finished product warehouse of the construction party must store the materials in storage and clearly mark them. The material library and finished products must be managed according to the specifications, and work on dustproof, mildewproof, and fire prevention should be done. All materials should be covered and registered.

2. All materials should be protected when stored. The bottom of the storage should be leveled with horizontal wood. Each layer must be separated by thin wooden strips. The maximum stacking of materials should not exceed 10 layers. The glass must be stored vertically on a special support. There is a separator paper between each glass.

3. The transportation required for material handling in the factory should have protective measures. Direct contact with iron parts and hardware is prohibited to avoid damage to the materials.

4. The material processing platform must be cushioned according to the regulations, and pay attention to no debris. It is strictly forbidden to drag or collide with materials on the platform. All materials must be lifted vertically.

5. The processed materials or finished products and semi-finished products must remove all the debris on the surface and the inner cavity, and clean them and add a protective film on the surface of the finished products.

6. The stacking of raw materials should ensure the safety and convenience of secondary handling. When the gypsum board is stacked on the side, the bottom should be laid with wooden blocks and have anti-slip settings. The time of this stacking method should not exceed five days, and it should be ensured that it is stacked on non-main entrances and exits and construction operation surfaces. When stacking, the inclination should exceed 80 degrees. The stacking thickness should not exceed 300mm.

The stacking of stones should be considered for the convenience of secondary transportation, and the proper inclination and anti-skid setting should be ensured, and the stacking thickness should not be greater than 500mm.

 

Second, the ceiling protection of finished products

1. After the installation of water, electricity, heating, ventilation and other installations is completed and accepted, the relevant unit will sign the board in writing to avoid damage to the finished product due to rework.

2. Maintain the adjacent windows and curtain walls to prevent the panels from being exposed to rain and sunlight.

3. After the installation of the ceiling decorative board, it is not allowed to pick at will. If you need to install the equipment, use an electric drill to drill, and it is strictly forbidden to open large holes.

4. The water supply pipeline in the suspended ceiling needs to be tested and completed after the acceptance test, and the next process should be constructed after water injection. If there is any damage to the water supply pipeline during the construction, it can be found in time to avoid greater losses.

5. At the valve position of the top pipeline, pay attention to the reserved inspection hole, and the finished product inspection port is required to prevent people from operating the suspended ceiling.

6. Reinforcement measures must be taken on the top for the installation of lamps and ventilation hoods to avoid damage to the finished products caused by the force of the Greentown house when the lamps and ventilation hoods are installed.

7. Do not hang the boom on the ventilation, water pipes and other pipes in the ceiling to prevent damage to the dark pipes.

8. After the installation of the suspended ceiling, the construction surface shall not use or carry ultra-high materials and miter ladders.

3. Marble and granite decorative panels

1. Look and feel requirements:

a) Defects that are not visible at 1m from the board are considered to be non-defective;

b) The board and the agreement board are placed on the ground at the same time, and there is no color difference when visually inspected at a distance of 1m;

c) The surface of the plate should be flat, clean and consistent in color, without warpage, cracks, trachoma, depressions, stains and stains, and no front corner defects are allowed; the polished surface of the plate should have a mirror gloss (except the matte surface); Pan-alkali and rust spots are strictly prohibited on the surface; the caulking should be dense and straight, and the color of the caulking material should be consistent;

d) The yin and yang horns are complete, full and upright.

2. Technical measures:

a) Plates should not be stacked horizontally. Cork should be used as a liner to prevent cross-contamination during construction. It should not be stacked outdoors, otherwise it should be protected by film covering and other measures.

b) After the stone paving is completed and the bonding strength is reached, the surface is cleaned, and the sand and garbage in the gap are removed, and the gap is closed and protected.

c) Fully lay a protective film on the recently cleaned ground board and lay wooden boards or other materials that can resist impact damage to prevent trample, bumps and pollution of the stone surface.

d) Subsequent construction will easily damage the stone surface or the construction channel, and the stone surface must be covered with a protective film, and cork products should be tied to the outside corners to provide additional protection measures.

e) For bathtubs, washbasins and other parts where stone installation has been completed, cardboard and wood board or other materials need to be covered for protection.

3. Organizational measures

a) All materials should be checked for defects before paving, and the intact products should be marked and recorded accordingly;

b) The marble decorative panel works should generally be carried out after the concealment and plastering works on the wall and the ceiling work have been completed and passed the acceptance check;

c) If there is caulking material in the stone, the compatibility test between the caulking material and the stone should be carried out beforehand on site to ensure that there is no pollution during construction;

d) The construction site with oil pollution should be no less than 10m away from the stone yard and finished products;

e) During the construction of the ground stone, when the bonding strength is not reached, there must be a clear prohibition sign, and the person on duty is not allowed to step into the facing area;

f) When moving high stools, shelves, and ladders, do not hit the stone finish. If it is necessary to construct in the area where the stone is paved, protective materials such as rubber pads must be installed at the foot of the high stools, shelves and ladders.



4. Stainless steel decorative panel

1. Look and feel requirements:

a) No cracks, scratches, rust spots on the surface, no defects and burrs on the corners;

b) The surface should be flat, clean, consistent in color and pattern;

c) The caulking should be dense and straight, and the color of the caulking material should be consistent.

2. Technical measures:

a) The materials should be stacked horizontally after entering the site, the stacking surface should be larger than the size of the plate, and the surface flatness of the stacking surface should not be lower than the requirements of the density board;

b) Special protective film should be provided when materials enter the field;

c) The material should be cleaned and inspected after the installation is completed. When the surface appearance meets the requirements, the film should be re-protected, and a foam board with a thickness of not less than 10 mm should be added outside the film layer for protection.

3. Organizational measures:

a) The materials should be fully inspected when the materials enter the site and after the installation is completed. The construction unit, project management personnel and supervision company must make corresponding records according to the household and the piece;

b) The stainless steel decorative panel should be carried out after the concealment and plastering works on the wall and the ceiling work have been completed and accepted;

c) When it is found that the look and feel of the material does not meet the requirements, it must be replaced in time.

V. Decorative mirror

1. Look and feel requirements:

a) The mirror surface should be flat and clean, without cracks, scratches, bubbles, slag inclusions, no defects on the corners and edging, the mirror image should not be deformed, dizzy, or consistent in color;

b) The coating on the back of the mirror must be free of contamination, defects and scratches.

2. Technical measures:

a) The materials should be sealed and packaged when entering the field, and the mirror surface should be protected by soft film;

b) After the material installation is completed, it should be cleaned and checked. When the surface appearance meets the requirements, a foam board with a thickness of not less than 10mm should be added to the surface for protection;

c) After passing the experience acceptance, the anti-collision warning signs shall be made.

3. Organizational measures:

a) The materials should not be stacked horizontally after entering the site, and the storage warehouse should be kept ventilated and dry;

b) Before and after the material is installed, the quality of the look and feel should be fully checked;

c) The installation of the mirror should be carried out after the concealment and plastering work on the wall and the ceiling work have been completed and accepted;

d) When it is found that the look and feel of the material does not meet the requirements, it must be replaced in time.

6. Decorative glass partition

1. Look and feel requirements:

a) The surface should be flat and clean, without cracks, scratches, bubbles, slag inclusions, no defects in the corners, and should have chamfering and edging treatment;

b) The image in the glass is not deformed, dizzy, and the color is consistent;

c) The neutral structure sealant at the corners of the laminated glass must be completely covered without defects, and the glass shall not be yellowed.

2. Technical measures:

a) The materials should be sealed and packaged when entering the site, and should be protected by soft film;

b) After the material installation is completed, it should be cleaned and checked. When the surface appearance meets the requirements, a foam board with a thickness of not less than 10mm should be added to the surface for protection;

c) After passing the experience acceptance, the anti-collision warning signs shall be made.

3. Organizational measures:

a) The materials should not be stacked horizontally after entering the site, and the storage warehouse should be kept ventilated and dry;

b) The quality of the look and feel should be fully checked before and after the material is applied;

c) The decorative glass partition should be carried out after the concealment and plastering of the wall and the ceiling have been completed and accepted;

d) When it is found that the look and feel of the material does not meet the requirements, it must be replaced in time.

7. Glazed interior wall tiles and floor tiles

1. Look and feel requirements:

a) Cracking, interlayer and glaze cracking are not allowed;

b) The back bumping depth of the material shall not exceed 1/2 of the brick thickness;

c) Observe no peeling, falling dirt, glaze bubbles, spots, embryo powder glaze strands, orange glaze, ripples, lack of glaze, brown eyes, molten holes, smoke, cracks, pattern defects and front bumps at a distance of 1m from the brick surface;

d) The surface is clean, the pattern and color are consistent, which meets the design requirements.

2. Technical measures:

a) Friendly reminders should be hung on the rooms that have just been paved to avoid damage during the curing period;

b) After the floor tiles are laid, first clean and clean the surface, and check the appearance quality. After meeting the requirements, use a cork layer on the foam film to protect it. The protection should have measures to prevent it from falling off during normal walking;

c) After laying the ground tiles and passing the acceptance, it should be sealed with masking paper after the brick joints are cleaned to prevent the brick joints from being contaminated;

d) The corner of the sun must be protected by a special plastic corner guard.

3. Organizational measures:

a) Materials should not be stacked horizontally after entering the site, and the stacking height should not exceed 1m;

b) Floor tiles should be carried out after the concealment and plastering of the ground and the ceiling work have been completed and accepted;

c) The quality of the look and feel should be fully checked before and after the material is applied;

d) When it is found that the look and feel of the material does not meet the requirements, it must be replaced in time.

 

8. Solid wood composite floor, wooden floor

1. Look and feel requirements:

The surface is clean, the pattern is clear, the color is uniform, the joint is uniform, the periphery is straight, the plate is free of cracks, the surface layer is free of scratches, chamfers and missing edges.

2. Technical measures:

a) Materials should be transported to the warehouse or construction site immediately after entering the site, and it is strictly prohibited to be stacked outdoors;

b) When the material enters the site, the product should be stored in a clean, dry packaging box to prevent the floor surface from being damaged or contaminated, and a soft pad should be placed between the boards to isolate;

c) Carefully disassemble the floor packaging materials before paving. It is forbidden to use blades or hard tools to remove the packaging to prevent scratching the floor;

d) After the paving is completed, it must be cleaned and cleaned immediately, and the necessary protective materials should be laid.

3. Form of protection

(1) Before laying the base layer of the floor, make sure that the structural floor is clean. Floor pavement should be cleaned first and then covered with woven cloth or carpet for protection. During the rainy season, attention should be paid to ventilation and avoid damp and mildew;

(2) After laying the floor, it should be cleaned in time and covered with special film for protection. The protection steps are as follows:

a. Current shading treatment of windows or curtain walls;

b. Put a special finished protective film on the finished floor;

c. Lay a nylon felt pad on the special protective film to protect the floor from the hard physical scratches and sunlight caused the floor paint to fade.

4. Organizational measures:

(1) Clean the room before laying and check the cleanliness of tools and construction personnel;

(2) When laying, the whole should be constructed from the inside out, and no shoes should be worn to enter the construction area after laying;

(3) Before and after laying, you should fully check the look and feel of the floor surface, and replace all those that do not meet the look and feel requirements;

(4) Floor pavement should be carried out after concealed ground works, suspended ceiling works, and wall decoration works are completed and received after experience.

Nine, finished modular sliding door

1. Look and feel requirements:

a) The surface should be clean, flat, smooth, consistent in color and free of corrosion spots;

b) No scratches or bumps on the surface.

2. Technical measures:

The finished product should have complete and reliable packaging when entering the field.

3. Organizational measures:

a) Before and after the installation of the finished product, the surface appearance should be fully checked;

b) It should be carried out after the concealed works, flat roof, wall decoration construction, and installation construction are completed and the experience is received;

c) After the finished product is installed and inspected, foam film should be used for protective packaging.

10. Door and door leaf, door cover

1. Look and feel requirements:

a) The surface should be clean, flat, smooth, straight lines, tight seams, consistent color, no rust;

b) No cracks, warpage, scratches and bruises.

2. Technical measures:

a) Door cover and door leaf must be installed separately. The door cover is installed with independent protection first, and then the door leaf is installed if the site conditions are available;

b) After the door leaf installation is completed, the quality of the look and feel should be fully checked, and the surface should be protected with a transparent plastic film;

c) After the door cover is installed, use a transparent plastic film to protect the surface. And make a wooden box for protection, a foam film interlayer must be pasted between the wooden box and the plastic film.

3. Organizational measures:

a) The entrance door should be carried out after the concealed works and the wet work of the surface layer are all completed and received after experience to prevent damage and pollution to the door body;

b) Indoor door covers should be constructed after concealed works, wet work, and wall and ground base construction are completed. Door leaves should be installed before other construction is basically completed and the floor is laid.

11. Wooden fixed furniture

1. Look and feel requirements:

a) The surface should be flat, clean and consistent in color, without cracks, warpage and damage;

b) The cut should be straight and the joints should be tight.

2. Technical measures:

a) Materials should be provided with complete and sealed protective packaging when entering the site to prevent damage during transportation and stacking;

b) After the installation is completed and qualified by experience, a foam film should be posted on the surface;

c) Furniture handles should be in good packaging when entering the venue, and the original protective packaging materials should be retained after installation.

3. Organizational measures:

After the construction is completed, the quality of the look and feel should be fully checked and the corresponding records should be made.

4. Case of fixed furniture finished product protection, a closet equipped with a strong and weak electric box, when the finished product is protected, the convenience of strong and weak electric construction should be considered. All exposed wood finishes are covered with plastic bubble film.

12. Latex paint and painted finishes

1. Look and feel requirements:

a) The surface coating is uniform and the adhesion is firm. The surface should be flat, clean and consistent in color, and must not be missed, penetrated, scratched, contaminated, peeled, powdered, trachoma, dripping, brushing, biting, etc.;

b) Check the flatness error within 2mm with a two-meter gauge and feeler gauge;

c) The yin and yang angles must be straight, complete and straight. The vertical error is within 1.5mm.

2. Technical measures:

a) The materials should have complete and sealed protective packaging when entering the site to prevent pollution and moisture during transportation and stacking;

b) It is strictly prohibited to carry out the construction of other finishing works before the paint construction.

3. Organizational measures:

The construction personnel must wear clean clothes and gloves when constructing the surface layer.

13. Laminating and soft package engineering

1. Look and feel requirements:

a) The surface after being pasted should be flat and the color should be consistent, without ripples, blisters, cracks, wrinkles and stains;

b) The mounting materials should be tightly connected with various decorative wires and equipment boxes;

c) The edge of the pasting material should be straight and tidy, and there should be no paper hair or flying thorn;

d) The surface of the soft package project should be flat and clean, without unevenness and wrinkles; the pattern should be clear, no color difference, and the whole should be coordinated and beautiful;

e) The frame of the soft package should be flat, straight, and the seams should match.

2. Technical measures:

a) After the construction is completed, transparent films are used to cover and protect the parts below 2m;

b) Foam or cork with a thickness of not less than 20 shall be effectively protected at the sunny corner of the wall.

3. Organizational measures:

a) After the materials enter the site, they should be stacked in the warehouse for storage, but the temperature and humidity of the storage area should meet the requirements, and should not be subjected to heavy pressure and rain;

b) Before construction, the debris and garbage in the construction area should be cleaned and cleaned to prevent dust particles from adhering to the base and affecting the quality of the base;

c) Forbidden boundary protection is set during the construction process, and unrelated personnel shall not enter the construction area;

d) The paper-pasting and soft-packing projects should start construction after the acceptance of wall concealment and plastering works, suspended ceiling works and ground works have been completed.

14. The whole cabinet

1. Look and feel requirements:

a) The surface should be flat, clean and consistent in color, without cracks, warpage and damage;

b) The cut should be straight and the joints should be tight;

c) No visible scratches on the cabinet panel and countertop.

2. Technical measures:

a) All materials should be in good packaging when entering the field;

b) After the installation is completed and qualified by experience, foam film or cardboard should be used as the overall protective packaging for the exposed parts.

3. Organizational measures:

a) The apparent quality of the panel should be fully inspected before and after the material enters the site, and the construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

b) During the installation of electrical appliances, there should be guarantee measures that will not damage the cabinets.

15. Curtains

1. Look and feel requirements:

The appearance is not damaged; the color should be consistent and meet the design or product specifications.

2. Technical measures:

The product should have reliable closed packaging when entering the site, and the packaging must not be opened before installation.

3. Organizational measures:

a) Product installation should be carried out after all the decoration works are completed and cleaned;

b) Before and after installation, the curtains should be fully inspected;

c) After the product is installed, it should be set in the most unfavorable position in time;

d) Products should be stacked in a dry and ventilated room.

16. Sanitary Ware

1. Look and feel requirements:

The surface is clean, free of scratches and spots, and the glaze is free of any damage.

2. Technical measures:

a) Sanitary ware equipment should be in perfect packaging when entering the site, and the construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

b) After the decoration works are completed, special protective oil should be applied to the glaze layer of the equipment;

c) After the installation of sanitary ware equipment is completed, all construction personnel entering the bathroom must wear clean work clothes and remove all hard objects (except the necessary tools) on the body, and replace the soft bottom slippers before construction;

d) When constructing above the sanitary ware parts, the sanitary ware surface must have reliable protection measures.

3. Organizational measures:

a) After the equipment is unpacked, checked and accepted, all the written materials, spare parts and spare parts in the box must be sent to the construction unit on the same day, and the completeness and good packaging of the above items must be guaranteed;

b) Before and after the installation of sanitary ware equipment, the surface look and feel should be fully inspected. The construction unit, project management personnel and supervision company must make corresponding records according to households and pieces, and all those that do not meet the look and feel requirements must be replaced;

c) The installation of sanitary ware equipment should be carried out after the wall, roof, ground decoration and installation works are completed;

d) After the installation of sanitary ware equipment is completed and qualified by experience, bathroom doors and locks should be installed immediately, and a restricted entry system should be adopted. Any construction personnel may not enter without the permission of the project manager of the decoration unit;

e) It is strictly forbidden to work on the sanitary ware;

f) Do not leave tools, materials and other items on the sanitary ware.

17. Bathroom faucet

1. Look and feel requirements:

The surface is clean, without scratches and spots, and without any other damage.

2. Technical measures:

a) When the faucet enters the site, there should be intact packaging, and the construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

b) The installer should wear clean white cotton gloves and clean the tools before installing the faucet;

c) After the installation is completed and qualified by experience, the first protective packaging should be used outside the faucet using the factory packaging materials, and then the second protective packaging should be made of plastic film lined with sponge, and finally use special tape for fastening, but not allowed Touch the tape directly to the faucet surface;

d) After the installation of the faucet, all construction personnel entering the bathroom must wear clean work clothes and remove all hard objects (except necessary tools) on the body, and replace the soft bottom slippers before construction.

e) After the installation of the faucet, the tools used to enter the toilet construction should be wrapped with soft foam film tool handles, and cork or sponge board and other materials should be carried under the construction work surface to prevent other tools from being suddenly released. Damage to the finished product.

3. Organizational measures:

a) After the equipment is unpacked, checked and accepted, all the written materials, spare parts and spare parts in the box must be delivered to the construction unit on the same day, and the complete and good packaging of the above items must be guaranteed, and the corresponding logo should be made according to the household;

b) Before and after the installation of the faucet, the surface appearance should be fully inspected. The construction unit, project management personnel and supervision company must make corresponding records according to households and pieces, and all those that fail to meet the requirements must be replaced;

c) The faucet installation should be completed after the wall, ceiling, ground decoration and installation works are completed, and the sanitary ware installation must be passed after acceptance;

d) After the installation of the faucet is completed and the experience is qualified, the restricted entry system should be adopted for the toilet immediately.

18. Kitchen appliances

1. Look and feel requirements:

The surface is clean, without scratches and spots, and without any other damage.

2. Technical measures:

a) The equipment should have complete and intact packaging when entering the site, and the construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

b) The equipment should be protected with flexible film overlay packaging after installation and acceptance by experience (if the equipment itself has been brought, it is not necessary);

c) All construction personnel who install equipment should wear clean overalls and remove all hard objects (except necessary tools) on the body, and replace soft bottom slippers before entering the indoor construction.

3. Organizational measures:

a) After the equipment is unpacked, checked and accepted, all written materials, spare parts and spare parts in the box must be delivered to the clubhouse and property management company on the same day, and the completeness and good packaging of the above-mentioned objects must be guaranteed, and the corresponding logo should be made according to the household;

b) The appearance quality should be fully checked before and after the installation of the equipment. The construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

c) Equipment installation should be carried out after all the decoration works are completed;

d) The decoration unit shall be responsible for laying temporary protective floor mats and wall protection materials on the equipment transportation route to ensure that the completed surface of the wall and floor will not be damaged due to accidental collision.

e) In principle, the original packaging must not be removed before the equipment is moved to the indoor elevator hall. If it needs to be removed, the written consent of the project management personnel and supervision and construction unit must be obtained, and the special protection technology organization measures plan must be reported.

Nineteen, the overall shower room

1. Look and feel requirements:

a) The surface is clean, without scratches and spots, and without any other damage;

b) The glass surface requirements are the same as the glass partition walls;

c) The apparent quality of frame materials and hardware are the same as the requirements of door lock hardware.

2. Technical measures:

a) Electrical appliances should have complete and intact packaging when entering the site, and construction units, project management personnel and supervision companies must make corresponding records according to households and pieces;

b) After the installation of electrical appliances is completed and qualified by experience, all protective films shall be used to post and protect them, and they shall be removed and cleaned up before acceptance with the property management.

 

Twenty, lamps

1. Look and feel requirements:

The exposed surface is clean, free of scratches and spots, and free of any other damage.

2. Technical measures:

a) The lamps and lanterns should have complete and intact packaging when they enter the site, and the packaging should be opened in front of the construction. The construction unit, project management personnel and supervision company must make corresponding records according to the household and the piece;

b) The installer should wear clean white cotton gloves and clean the tools before installing the lamp;

c) After the lamp installation is completed, the necessary dustproof and protective treatment should be carried out.

21. Panels such as switches and sockets

1. Look and feel requirements:

a) The exposed surface is clean, without scratches and spots, and without any other damage;

b) The color of the panel materials of the same brand should be consistent;

c) The junction between the panel and the wall is clean.

2. Technical measures:

a) When the panel enters the site, there should be intact packaging. The packaging can be opened in front of the construction. The construction unit, project management personnel and supervision company must make corresponding records according to households and pieces;

b) The installer should wear clean white cotton gloves and clean the tools before installing the panel;

c) After the panel base is installed, the surface should be sealed with textured paper and other materials to prevent pollution.

22. Door locks and hardware

1. Look and feel requirements:

There should be no visible defects such as breakage, scratches, or burrs.

2. Technical measures:

The materials should be packed with soft materials when entering the field. After installation, the foam film should be used for overall packaging protection and tape fixing, but the tape material is not allowed to directly contact the door lock and the door body.

Twenty-three, flat roof aluminum plate, tuyere hundred pages

1. Look and feel requirements:

The surface should be flat, clean and consistent in color, and no scratches, spots, pollution, etc. are allowed.

2. Technical measures:

The materials should be in perfect packaging when entering the field, and the aluminum plate must be protected by veneer.

3. Organizational measures:

a) Installation should be completed basically indoors and before floor paving;

b) Before and after installation, the surface appearance quality should be fully checked, and all materials that do not meet the appearance requirements should be returned.

24. Protection of indoor stairs and elevator cars

1. For the decoration and protection of indoor stairs, three principles should be ensured:

a) If stairs with wooden veneer are used, ensure that the protective layer and the wooden veneer are in soft contact;

b) If stone or other hard materials are used as step finishes, make sure that the step angle is reliably protected;

c) The protective layer should have a reliable fixing method.

2. Pay attention to two points for the protection of finished products of indoor elevators:

a) Protection of call box and elevator door cover;

b) Protection of the elevator door track parts, the four walls inside the car and the top of the car.

25. Requirements for stone transportation

1. When packing stone, try to install the same area and the same set of products in the same box to facilitate dismantling and installation. And paste two splicing installation diagrams and packing slips outside the box to facilitate customers to find and guide on-site installation.
2. When the board is boxed, the marble is facing the light side, separated by a rubber pad in the middle, wrapped with cardboard corners to prevent the corners from collapsing, and the bottom of the wooden box is not less than 2mm thick rubber pad to prevent the stone edge from directly Connect with wood

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