And so, not much ABOUT DRYWALL. To date, it is Environments Friendly, Most Offten Used by the Material for the Manoufacture and Design of Suspended Ceilings of Different Types of Complesy. Drywall Easily Processes and is Quite Accessible for Little Money. The Main Advantage of it is the Number Creed for the Installation of the Necessary Materials, Different Devices. This type of matrial Will Perfectly Isolaate Extraneous Noises, it is also good insulation. After Installation, this Ceilling Will Need to be Finished to the end. There are Separate Types of Drywall Ceillings. For Better Sound Insulation, An Acoustic Felt Is Applied Inside The Frame, And the Decoating Coating Is Applied From The Outside