* Acoustically lined GI ducting with 50 mm acoustic insulation
* Fabricated out of 24 Swg GI sheet, rock wool, fibroid paper and aluminium perforated sheet
* Fabricated out of 16 SWG CRC sheet
* Provided with compressed blankets of thickness 100 mm
* Having density of 100kg/ m3
* For Anti Dropping Effect, vinyl sheet of 3 mm thickness is pasted inside the outer wall* The rockwool mattress is covered by fiberoid paper & MS perforated sheet of 22 SWG thickness * Provision of double glass window & soundproof doors, wherever desired
* All door panels