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1. Plaster and level the wall surface before construction.
2. Mark the distribution map of the Sandwich panel with elastic lines with black bucket.
3. Cut the Sandwich panel in advance according to the actual application size of the drawings.
4. Stick tape or glue on the cut Sandwich panel, and stick the panel in the order from bottom to top. Ensure that the installation is smooth during the installation process.

Four precautions for installing the Sandwich panel:
1. When installing the Sandwich panel, seal all installed windows, clean doors, gaps, etc. with silicone to prevent dust from affecting the installation and use effect of the purification workshop.
2. Before installing the Sandwich panel, be sure to clean the indoor installation space. The accessories and Sandwich panel should be stored in a clean environment, and then placed flat on the moisture-proof film to avoid deformation. If damaged or unqualified products are found, they must be handled in time.
3. When installing the Sandwich panel, the partition wall device should be flat, the joint of the panel should be straight and tight, the fixed parts and pendants of the suspended ceiling can only be connected with the main plane, and the appearance of the panel and suspended ceiling should be flat, clean, dust-free, impact-resistant, corrosion-resistant and easy to clean.
4. The yin and yang angles of the clean room and the wall shall be rounded with aluminum alloy with R = 50mm and sealed with silicone glue. Make sure the R fillet is straight and the fitting is tight.
5. After pasting is completed, treat the gap between the Sandwich panels with masking paper.
The dust-free room shall install a single groove of aluminum (Al) alloy (melting point 660 ℃) according to the positioning line, and fix it from the door opening during installation. Because the aluminum alloy groove shall be assembled diagonally with the door frame material (assemble), the door spacing shall be accurate. The installation of aluminum in the ground groove shall be carried out after all the ground positioning lines are drawn and checked to be accurate. This can avoid damage to the material caused by rework due to MIS installation. As for whether the aluminum in the ground groove is angled or not, it depends on how the arc angle of the door edge is closed. If the closing fittings can block the joint, the construction without cutting the angle is simple at this time, otherwise, the angle should be cut.
The clean room decoration removes pollutants such as particles, harmful air, bacteria, etc. in the air within a certain space, and removes the indoor temperature, cleanliness, indoor pressure, airflow speed and airflow distribution, noise, vibration, and lighting, Static electricity is controlled within a certain demand range, and a specially designed room is given. The selection and layout of air filters with different levels of air cleanliness in dust-free workshops: For 300000-level air purification treatment, sub-high efficiency filters can be used instead of high-efficiency filters; air cleanliness 100, 10000 and 100000 levels For air purification treatment, three-level filters of primary, medium and high-efficiency filters should be used.

When installing the aluminum in the ground trough, an electric hammer can be used to drill holes in the ground, and when drilling, the aluminum in the trough can be opened together, so that the construction speed is fast and the positioning is accurate. After punching, clean the dust, apply sealant under the aluminum groove, then align the positioning line to drive the plastic (structure: synthetic resin, plasticizer, stabilizer, pigment) expansion plug into the hole, and then tighten it with matching screws. The aluminum groove must be installed accurately in place, and any error will directly affect the installation error of the wallboard.

Before installing the wall panel, carefully inspect which panel has switches, sockets and return air openings. Before assembling (assemble), these openings should be opened. After opening various openings, insert the lower end of the wallboard into the aluminum (Al) groove on the ground. When inserting, tilt the panel, insert one corner first, and finally put it in place. The medium-effect or high-efficiency air filter in the dust-free workshop should be selected as less than or equal to the rated air volume; the medium-effect air filter should be centrally set in the positive pressure section of the purified air conditioning; the high-efficiency or sub-high-efficiency air filter should be set at the end of the purified air conditioning system.
Before inserting aluminum (Al) into the groove, first, use hand pliers to trim the 4 right angles of the upper and lower ends of the female mouth bent inward (Bend) to make it flat. The 4 corners can also be cut off to prevent 4 corners from bending inward at the port during seam splicing, the seam splicing is not tight, and timely pushing and pushing can tighten up. However, due to the supporting effect of the 4 corners bent inward, the seams at the joints at the upper and lower ends of the wallboard are not tight, which affects the appearance and dust and bacteria (fungus).

The wall panel assembly should start construction from the wall panel with the civil exterior wall at the beginning of the installation. Temporary protective measures (pointer to the solution to the problem) should be taken during the installation to prevent the wallboard from falling over. The installation of intersecting wall panels shall be based on the ground trough aluminum (Al) at the intersection, and the vertical line shall be drawn upward to determine the installation position (position) of the trough aluminum (Al) at the intersection, where the trough aluminum (Al) shall be kept vertical, only in this way can the verticality of the wall panel be guaranteed.

Before fixing the top panel, the verticality of each wall panel should be carefully checked. Only after confirming that each wall panel is vertical can the ceiling be fixed. When fixing, the circular arc angle base is installed first to fix the ceiling and the wallboard. The fixing base can be fixed with self-tapping screws with a spacing of about 200mm. Finally, the ceiling and light steel hanger are connected. The company can provide clean rooms, clean workshop consulting, planning, design, construction, renovation and other supporting services.

When installing the top panel, especially the top panel after opening a hole, the number of installers depends on the length of the panel, the type of the panel and the number of openings. If the weight of the panel is light, the length is less than 4m and there is no opening, three people can install it. If the installed top panel is of the chemical formula: CaSO4 · 2H2O and other heavier panels or lighter panels with openings, or panels with a length greater than 4m, four people are required for installation, one at each end and two people in the middle. The longer and heavier the panel, the more difficult it is to install (difficult). The greater the influence of pipes and supports installed on the top, so it is necessary to find out the position of the upper panel (position) in advance.

Whether installing the wallboard or the top panel, tear off the film covering at the male edge of the tongue-and-groove for a distance of about 30mm before installation, which is convenient to tear off the film covering on the whole panel later. Alternate installation of the wall panel and the top panel from the initial end of installation until the end is installed. The installation of the top panel at the end should be calculated and cut before the installation of its adjacent top panel, place it and the penultimate top panel on the penultimate top panel that has been installed in advance. After all wall panels are installed, gently move and install the penultimate top panel along the construction installation direction.