Blown Insulation Between Floors. First option (possibly zero cost): Is the upper floor hardwood or stone?
Blown in Fiberglass Removal Before and After, Page 1 ... from fiberglassawareness.com
The shredded paper is mixed with one of several fire retarders, most commonly borate. They make insulation supports out of wire but this wouldn't work well with the trusses unless i place them at the bottom of the floor truss. Yes, there are several approaches to handle this problem.
There is very little, almost no barrier to stop sound from coming through the ceiling to downstairs.
Concrete floors work very well since they are so massive it is very hard for anything much to be conducted, and fiberglass sound insulation takes care of the rest of the problem. About 4% of these are other heat insulation materials. A vent space clearance of at least 1 must be maintained at the location of the vent and between insulation and roof sheathing. The shredded paper is mixed with one of several fire retarders, most commonly borate.
