1 Breakages are less as the boards are much tougher and have fibers reinforcing in them. 2  they damage less easy from general wear and tear in everyday use in a home or office. 3  It offers slightly better acoustics than standard board.  It is a superior product in case of fire.
It is normal for the solenoid to make noise, it clicks when the valve is turned on or off. It also is normal for a very soft buzzing sound to be heard when the valve is activated, but you should not be able to hear it unless you put your ear near it. If you can easily hear it buzzing, that is not normal.
Will your car run bad and make loud knocking noise if there is water in gas tank? Why is your gas meter making a squeaking noise? There can be many reasons why a gas meter is making a squeaking  noise. If the noise is accompanied by an odor of gas, you should  call the gas company right away. In many câ¦ases the noise is nothing  to be concerned about, but it can be annoying.