1. Mineral wool decorative sound-absorbing board ceiling should be constructed according to the design structure. The construction can be carried out with reference to the general Atlas of 88j4 (III) building structure and the 99 edition of 88j4-x1 jointly prepared by North China and northwest standard office. Also refer to the company's product application atlas. During construction, the connection of lifting points shall be firm and the flatness shall meet the standard.

2. Select the special keel and supporting materials of mineral wool decorative sound-absorbing board that meet the gb-2001 national standard.

3. The installation of mineral wool decorative sound-absorbing board should be carried out after the indoor humidity test is completed, all kinds of pipelines, doors, windows and glass in the ceiling are installed, and the pressure test of water supply and drainage pipelines is completed.

4. Mineral wool decorative sound-absorbing board ceiling is generally light ceiling. If necessary, please choose heavy keel. Heavy objects such as large lamps and lanterns shall be separated from the keel and suspended separately.

5. For installation, please pay attention to the production date shown on the outside of the packing box of mineral wool decorative sound-absorbing board, and the board with the same production date should be used in a room.

6. When installing the mineral wool sound-absorbing board, clean gloves should be worn to prevent the board surface from getting dirty.

7. During the construction, attention should be paid to the direction of the arrow on the back of the mineral wool decorative sound-absorbing board to ensure the integrity of the pattern and pattern.

8. Please pay attention to the ventilation in the room after the plate installation, and close the door plug in case of rain.

9. There shall be no strong vibration before the glue is fully cured within 72 hours after the construction.

10. It is not allowed to install and use in the environment containing chemical gas (such as paint containing free toluene diisocyanate TDI will cause the surface of mineral wool board yellowing) and vibration.

11. In addition to the products marked with RH95%, the mineral wool decorative sound-absorbing board shall be installed and used under the environment of temperature not exceeding 40 ℃ and relative humidity not exceeding 70%. The construction is strictly prohibited in mildewy rain and fog.

12. Subsidence caused by building leakage or pipe condensation is not included in the guarantee.

The plate below 13.12mm is flat, and it is strictly prohibited to be used for surface mounting.

After meeting the above conditions, if the plate subsides (the center of the plate subsides more than 3.5cm or does not reach the standard specified in JC / t670-1997), please inform Hebei amesizhuang mining cotton board industry Co., Ltd. within 10 days from the date of discovery. After verification, it is confirmed that it is a product quality defect. The company provides the following services:

1. Provide the same amount of products with the same kind of subsidence free of charge.

2. The factory will not bear other expenses.