final studio Plan with specifications

This is how I plan to do my room in the next week, If you have any suggestions or improvements id really appreciate them! - or if this is fine please say so The fibreglass materials i have access to are 1.2mx0.6m 2" thick Boards - Density: 47.5kg/m3 1.2mx0.6m 2" thick Boards - Density: 64 kg/m3 1.2mx0.6m 1" thick Boards - Density: 96kg/m3 If you have advice for which fibreglass boards to put in the pannels could you please refer to them by the letter like I have done Thank you! :)