mineral wool insulation r value

Second, mineral wool board after lifting, other ceiling accessories can not be installed. Common mineral wool board lifting, the ceiling outlet, spray, air conditioning port location is not, can not be installed. This situation is more detailed in the installation of light steel keel system light steel keel system, the location of the installation of these ceiling attachment points are not correct. Another situation is that in these locations most of the mineral wool board needs special cutting treatment, these problems will occur when the bad treatment. Solution: In the ceiling attachment outlet, air conditioning and other locations to install mineral wool board keel lifting system in strict accordance with the design and construction drawings installed to ensure the mineral wool board keel ceiling system hoisting position accuracy. When used in these locations, special rules of mineral wool board can be machined on-site. When cutting, we must make the size record and cut according to the design requirements.

Third, the ceiling suspended ceiling. Some Kuangmian board after lifting, loosening of the ceiling, serious Kuomao board will fall off. These problems are more difficult to install the installation of light steel keel in the cement board expansion screws installed in the screw connection, and finally connect the light steel keel, this process problems, resulting in the ceiling ceiling instability. Solution: In the cement board to install expansion screws placed screw connection of light steel keel, be sure to tighten the screws screw to ensure the stability of the entire light steel dragon system. At the same time indoor installation of other ceiling accessories, such as chandeliers, air conditioning, please do not directly placed in the light steel keel, so that light steel keel to bear more weight, please install the expansion screw screw for lifting. In this case,