Stone parquet is a common stone decoration effect. This kind of craft has actually been used since ancient times. And with the advancement of modern design and production technology, the beautiful stone mosaics are in full swing. We do stone care projects, and there will be more and more opportunities for stone mosaics in the future. In this issue, we will introduce the process of adding glue and grinding in the stone mosaic.

First, the concept

Stone mosaic design refers to the stone decoration art that uses different colors of natural stone, through design and processing, to assemble various patterns, patterns, logos and other effects.

Second, the type

Thanks to advances in technology, modern stone mosaic design can be described as “not to be done, only unexpected” – many types, and almost all new designs and types appear at any time. Therefore, here we mainly classify the parquet from the perspective of stone care. Such classification has a direct impact on the process of filling, grinding and the like.

1, according to the decorative effect

According to the decorative effect, the stone mosaic design can be roughly divided into two categories:

1 parquet class

Refers to designs that mimic flowers, complex geometric shapes, logos, characters, and artwork. The features are complex design, diverse lines and compact structure. The decoration effect is exquisite and gorgeous.

However, for the stone care project, the difficulty of processing the mosaic is relatively high.

Mosaic

2 puzzles

A type of stone mosaic designed to be fixed geometry. If it is different from the above, it is that the structure and pattern of the puzzle design is simpler.

Puzzle

2, by size

1 super large parquet

Some mosaic designs can reach hundreds or even thousands of square meters. This kind of super large-scale parquet is scaled according to the pattern in the design, processed and paved.

2 large parquet

Generally, the mosaic with a diameter of more than 1.5 meters will be cut into pieces when the factory is produced, and then assembled on site.

3 general parquet

The mosaic with a diameter of less than 1.5 meters is generally processed by the factory during production.

[Note] The above classifications are more from the perspective of stone care. Because the stone mosaic project is very different from the general project. For example, in the seamless processing process, the glue processing of the stone mosaic is fundamentally different from the general engineering in the operation process and precautions.

Third, the stone mosaic glue

Compared with the ordinary stone care project, the main difference between the stone mosaic processing and the ordinary stone care project is the seamless processing, that is, the glue filling. The other links are not very different.

1. Difficulties

1 small gap

The current stone mosaic is generally computer graphics, waterjet cutting, the process is very advanced, the error is very low. After the assembly is completed, the gap is only 0.1mm. With such a small gap, it is very difficult to make up the glue.

2 cumbersome

Computer graphics can be used to design extremely complex parquets. Although the effect is very beautiful, but for the glue, a small mosaic can be an amazing amount of work. So don't deal with the parquet and report the price of the ordinary project - you can't count it.

It is difficult to make up the glue

2, the purpose and significance of glue

Different from the ordinary stone care project, the glue processing of the stone mosaic has more important significance.

1 to achieve true seamless

Although the mosaic can achieve very small errors, it must be filled with glue to fill the gap and form a true overall surface. It has the functions of anti-fouling and anti-wear.

2 defect repair

Stone parquet in the process of transportation, installation, etc., is prone to some details of the defects, need to be repaired by glue.

3 art rendering

Some mosaic designs need to use the shades of glue to show better artistic effects. For example, the use of dark glue can produce a segmentation effect, and the decoration of the mosaic has a better improvement.

Separation line

Fourth, the construction process

The processing of stone mosaic, the main difficulty in the seamless processing, and the difference between the general stone care engineering, is also in the seamless processing. Therefore, the problem of seamless processing of the stone mosaic is solved, and the subsequent grinding and polishing are the same as the general stone care engineering.

Step 1: Selection of glue

Stone parquet glue, use marble glue and transparent glue. The selected marble glue must meet the following requirements:

* Have good bonding properties.

* To have good polishing performance, after polishing and polishing, it should be consistent with the gloss of the stone.

* To be easy to color. The coloring property of marble glue is related to the thickness of the powder contained. If the fineness of the marble powder reaches 300# or above, it has good coloring performance and is not easy to change color. Inferior marble glue, the thickness of the powder is even below 0#, it is not easy to color, and it is easy to lose color.

[Recommended] High-quality marble glue must be used, such as imported marble glue.

Step 2: Clean up the gap

1, if the gap <0.2mm

For the stone mosaic with very small gaps, the cleaning joint is basically not allowed to operate with machinery. If a portable cutting machine and a cleaning piece are used, it is easy to cause the slit to be enlarged; on the other hand, it will generate high heat, causing problems such as chipping and destroying the overall decorative effect.

The correct way:

Manual cleaning. Seiko blades are used, which is very thin. In some places, even thinner razor blades are needed for cleaning. When cleaning, the speed should be slow to avoid damage at the details of the parquet. After the crevice is completed, the dust at the gap is sucked away with a high-powered vacuum cleaner.

2. If the gap is >0.2mm

The area of ​​the mosaic is large, and when the gap is relatively small, the "portable cutting machine + 0.2mm clearing piece" can be used for cleaning. The depth of the seam should be more than 3mm, and the deeper the overall structural strength is.

Precautions:

* When cleaning the seam, be sure to keep the original appearance of the stone, and do not widen the gap.

* At the end of the gap, don't cut it.

* Don't cut the seams - just don't accidentally pick them up when cleaning along a seam.

* During the cleaning process, the cleaning piece must be kept at 90 degrees perpendicular to the stone, otherwise it will cause the stone to collapse.

[Note] Stone mosaic is a very fine art. The above precautions are intended to prevent damage to the overall decorative effect. For example, when cutting the seams or cutting the seams, it is very unattractive and affects the decorative effect.

Step 3: Adjust the glue

1, standard

Adjust the color of the glue to match the height of the stone.

2, method

Use marble glue + water gel or transparent glue, stir constantly, and adjust the glue to a little. The reason is that the gap of the mosaic is very small, and it cannot be widened. It is necessary to enhance the fluidity of the glue in order to effectively infiltrate.

3, tips and precautions

1Add natural toner

When adjusting the color of the glue, natural inorganic toners, such as stone powder, can be added as needed, which is a substance extracted from natural minerals, which can achieve a very close effect on the color of the stone. Organic pigments are not recommended because artificial paints are pure in color and do not mimic natural natural stone.

2 select skilled workers

It is necessary to choose an operator who is skilled in operation, has strong color resolving power, and has a high degree of responsibility and patience, and operates with an attitude toward art. Can really achieve the perfect result.

3 light should be sufficient

When adjusting the glue, try to carry out under the conditions of daylight and sufficient light to help distinguish the color.

4 to fully contrast

When adjusting the glue, it is necessary to constantly adjust the contrast with the stone until the most satisfactory effect.

5 batching glue batch

The glue required in the same area should be prepared at one time. Do not adjust the glue multiple times, resulting in different colors.

Selection of 6 batches of knives

When adjusting the glue, the general tool used is the batch knife. The width of the batch knife is not more than 3 inches. The wider the width, the more dispersed the force, and the uniformity of the glue is not enough.

Step 4: Adhesive

1, tool selection

1 batch knife

A batch of knives should be used for the glue, and the width should not exceed 2 inches. The reason is to prevent excessive dispersion of force, which is not conducive to the penetration of glue.

2 blades

Another necessary tool for workers in the glue filling process is the blade. The purpose is to find pollution and remove it in time. Otherwise, the pollution left in the gap will cause problems such as blackening and degumming.

3 shoe covers

In order to prevent dust pollution, construction workers should wear shoe covers for construction.

2, glue operation

When filling the glue, use a batch of knife to scrape the adjusted glue across the gap and squeeze it hard. Then scrape off the excess glue along the gap. Under reasonable conditions, the glue should leave a 0.2~0.3mm protrusion in the gap.

On the one hand, the glue leaves a margin during the drying process to prevent settlement of the grooves. On the other hand, after the overall grinding, it is a complete surface.

3, health time

After the glue is finished, be sure to have enough time to leave the glue dry and solidified.

14 hours

After the glue is completed, no one should walk around the glue area within 4 hours.

28 hours

After the glue is completed, it can be used for more than 8 hours before entering the whole grinding.

Step 5: Overall grinding

Refer to the general stone grinding process in the general stone care project.

Step 6: Sealing glaze treatment

Stone parquet is an exquisite art design. It will maintain the beautiful decorative effect for a long time, enhance the wear resistance and anti-fouling ability. The sealing glazing technology should be used to effectively protect the mosaic surface. The main component of the sealing glaze material is silica (same as glass), which can greatly improve the hardness, brightness and clarity of the stone surface, and is the best protection measure for stone mosaic.

Operation method:

Mix the VD stone sealing glaze No. 1 and No. 2 in a 1:1 ratio, and evenly polish it with a crystal surface machine + a cleaning pad to the light.

V. Summary

This issue introduces some experiences and methods of stone parquet processing, and I hope to help everyone. Stone care is a very practical technology. With a wealth of experience, we can systematically solve all-round stone problems. I hope that these sharing can help everyone.

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