That over 100kg has been proven over many years to be a great soundproofing insulation where bass noise is your major concern.
Dense fibre matting.
Fiberglass american english or fibreglass commonwealth english is a common type of fiber reinforced plastic using glass fiber.
It is a preferred substrate under brick stone stucco siding and eifs due to its ability to protect a structure against incidental moisture during and after construction.
Matting doilies matting mat coir rope made exclusively from the heavy looms then cut up heavy and then cut up inside.
The typical composite materials can be made with fibers such as fiberglass carbon fiber graphite kevlar quartz and polyester.
Acoustic mineral wool dense fibre matting rockwool prorox sl960 rw5 rockwool prorox sl980 rw6.
Widely recognized by the gold color densglass fiberglass mat gypsum sheathing has an exemplary track record that spans more than 30 years.
The fibers come in veil mat short fibers mat woven cloth unidirectional tape biaxial cloth or triaxial cloth.
The fibers may be randomly arranged flattened into a sheet called a chopped strand mat or woven into a fabric.