Stone product protection and maintenance integrated construction process

Before the leveling, the seams of the stone will be cleaned, straightened, filled with glue, to fill in gaps, repaired at the corners, and repaired on the surface of the sheet. After leveling, the stone is ground, repaired, polished, cleaned, protected, crystallized, and cured. After the treatment, the gloss of granite and marble can reach the factory standard of the national excellent products. After grinding, leveling, polishing, protection, polishing and crystallization, the brightness, hardness, overall feeling, stain resistance and aesthetics of the stone can be further improved, which fully reflects the grand and upscaleness of the original stone material.

First, choose a construction company with professional qualifications

Through a variety of channels through the telephone to understand or visit the site to select a professional construction maintenance company plays a decisive role in the final acceptance quality.

Second, stone site specification construction

1, stone protection construction

Before stone paving, do stone protection construction treatment, the use of protective agent should meet the design requirements and protective purposes scientific choice of protective products. The quality of the protective agent should meet the requirements of the "JC/T973" standard for architectural decoration. There should be a certificate of conformity, a test report during the validity period, and an instruction manual. The import production port should have Chinese manuals, declaration forms, and commodity inspection forms. The hazardous substance content of the protective agent selected must meet the requirements of the “Environmental Pollution Control Standards for Civil Construction Projects” (GB 50325).

The quality of the stone material to be protected must be up to the owner's or Party A's requirements, without pollution. Construction protection process: Stones are placed by number - stone drying - stone cleaning - stone cleaning - brushing the front and side protective agent twice - brushing the back protector twice - standing - finishing. When brushing the front and side protective agent twice, the surface and interior of the stone must be dried and then painted. The protective agent can be sprayed, brushed, brushed, etc., and then painted around the stone in the central area, and then brushing the sparse part. Brush each direction, then brush the sides. The protective agent is applied evenly without leakage. Wipe surface residue and dust later. For specific protection construction standards, please refer to pages 100 to 103 of "Technical Specification for Building Decoration Engineering Stone Materials" (DB11/T512-2007).

2, the overall grinding stone renovation

Before the whole grinding, the base adhesive should be fully cured to reach the strength. Before the overall grinding, the protection of the adjacent objects with 80CM or more protective film is used to protect the finished products. In particular, the wooden products and paint walls must not be contaminated or soaked. Special departments such as floor-to-ceiling glass and dry-hanging stone floor surfaces need to be hard-protected to ensure that the surrounding objects are not damaged or contaminated during grinding. For the wooden or high-density board, the corner line must be sealed (glass glue can be used) to prevent the water from entering the water and soaking in the deformation from the corner of the stone surface. After the protection is completed, the slicing process is performed within 0.4 mm, and the cut gap cannot exceed 2 mm. Clean the gap by vacuuming the slits.

After cleaning, protect the gap from being contaminated with a resin-based caulking gel to close the gap after filling the stone color close to the color. The depth of the caulking material must reach a certain depth, and the caulking should be higher than the surface of the plate after curing.

Grinding is performed on the entire grinding from rough, medium, and fine (50#, 100#, 200#, 400#, 800#, 1500#, 3000#, 6000#), and if the ground is found during grinding There are pits, falling angles, crystals falling off, and honey must be repaired separately when the table is completely dry. After the overall grinding, the flatness of the ground cannot be seen with waves. The overall flatness within the scope of construction is 0.5 MM. Inspection method: Use a ruler with a straightness tolerance of (±0.2MM) 2M, and the surface to be measured shall be located outside the wall, column or other barrier 20CM. After grinding most of the plates, the stone eye view basically reaches the brightness and transmittance of the new plate. After grinding, the surface of the stone should be ventilated and dried before further processing. If there is cross construction, use hard materials for protection until the crystal hardening process is completed. After grinding, the ground can not have traces of grinding

3, crystal hardening treatment

Before the crystal is hardened, it is better to apply a protective agent with oil and water repellent on the surface of the stone so as to repair the worn out protective layer when the original stone is ground. After the protective agent is air-dried, crystal hardener, crystal hard powder, and maintenance fluid are used for crystal hardening treatment. Crystal hardening materials should be based on different stone material reasonable choice of marble hardener. Can not use polishing powder, polishing agent, etc. instead. The content of hazardous substances selected for the hardener, crystal hard powder, and supporting maintenance fluid must meet the requirements of the "Guidelines for Pollution Control of Indoor Environment of Civil Building Projects" (GB50325). Before the crystal is hardened, the stone floor must be dry without gaps, water stains, water classes, or other symptoms, no pollution, no dust, no adhesive glue, and the surface gloss of the stone is not lower than 50 degrees. Ground crystallization is commonly used in 175, 208, 300 rev / min 40-70KG multi-functional refurbished machine or professional crystal hard machine. During the crystallization, the mat can be polished with a steel wool disc. The disc is required to be flat and full, and the crystal hard agent is prepared on the stone surface that needs to be hardened. There is no obstacle to clear the ground, and the mounting disc is pressed on the steel wire. On the cotton pad, start the machine for crystal hardening. If the ground is polished and blackened when it is just beginning to crystallize, it means that the water in the stone is not completely dry or the ground is too dusty after being refurbished. If time permits, wait for the stones to dry and then do the crystallization. If the time is not allowed, the following crystallizing treatment using the crystallizing powder with a polishing pad can be used. It must be polished no less than 5 times until the crystal hardening effect is achieved.

Wall crystallization will be steel wire disc into a small plate with a speed hand-poured machine to adjust the speed below 400 rpm, the plate will be pressed on the steel plate in the hand polishing machine polished on the stone surface test machine to steel wool is not The release does not disperse, and the normal crystal hardening treatment of the grinding machine is started. It must be polished no less than three times until it has crystal hardening effect. Granite floor crystals are crystallized with the corresponding granite hardeners. When the crystal is hardened, it can also be crystallized with crystal powder. The crystallizing pad can be crystallized with a white pad, a red pad (no fading), a horse hair pad, and a crystalline powder. Marble hard powder is diluted with water, preferably in paste form. Evenly pressed on the grinding pad, start the machine uniform grinding, grinding can add a little water, until the stone light crystal hard effect. After the crystal is hardened, it must be cleaned with clean water and scraped with a glass squeegee. The granite hard powder is transferred into a paste with a hard hardener, evenly pressed under a grinding pad, polished to a bright, crystal hardening effect. After the crystal is hardened, the apparent glossiness of the surface is obviously improved. The new stone without abrasion should exceed the national standard of the stone. There is a crystal hardening layer after the hardened stone stone crystals are hardened, and the gloss is increased by at least 10 gloss units. Crystal hardening should have a certain degree of anti-slip effect. Can not leave the traces of grinding stone polished when the surface can not spend, can not have other colors. Prompt Party A to pay attention to the protection of finished products. After the crystal is hardened, the ground should be kept clean so as not to have dust or liquid contaminants. Prevent scratches. Grinding leveling, repair, refurbishment, polishing, protection, crystallization after the surface of the stone is bright and smooth. Seeing a near mirror looks very high transmittance, from the surface of the stone can clearly see the image of the ground above the stone surface image. Improve the anti-fouling ability of stone, improve the hardness of stone, increase the brightness of stone, improve the sense of stone material, and fully reflect the high grade of stone.

Third, the post-maintenance precautions

After Party A is delivered, Party A should pay attention to using less water for cleaning and maintenance, and it is best to use a dust pumped with dust-dusting oil to regularly push and maintain the dust. The dust can only be used when sprayed with dust-laden oil for 24 hours or when it completely penetrates into the dust cloth. Dust pushing long-term use of dust accumulation can be cleaned and reused when dust is removed. If there is dust on the ground, it can be scrubbed with a tidal cloth alone. Try to keep the floor clean and free of sand. Sand, dust, and acidic alkaline cleaners are the most destructive to the stone. Stones have increased wear on the surface of the stone in locations where there is a lot of dust or people flow, shortening the time for high brightness of the stone, and the average family recrystallization hardening cycle is 1-2 years. The hotel's hotel crystal hardening cycle is 15 days-six months. The actual hardening of the crystal during the same period shall be subject to actual site conditions.

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