Insulation.

Insulations fitted to ceilings, partitions & wall liner has many advantages:-

Acoustic ratings can be achieved.
Thermal values for loss of heat.
Better fire ratings.

Insulation can be installed within the construction of the wall or ceiling at a small price which is very cost effective in the long term. When thermal values are an issue.
WALLSORBA® ACOUSTIC PANEL SYSTEMS
WALLSORBA acoustic panels are used to reduce reverberant noise levels in buildings such as studios, lecture theatres, music rooms, offices, boardrooms, and other applications.
WALLSORBA panels transform a stark, echoing area into a warm, quieter work place.
WALLSORBA panels are pre-decorated and therefore they decorate and solve the acoustics in one operation.
Offices.
School Halls
Civic Centres