The category is Soundproofing Materials: Adding dense material to a treatment in order to stop sound waves from exiting a source wall, ceiling or floor. Use of materials can include: mass loaded vinyl, drywall, fibre-board, soundproof sheetrock, plywood, MDF, concrete, wool, and rubber.
Parent categories: Commercial, Home, Lights, Construction Accessories & Materials
Related categories: Machinery Industrial Parts, Tools and Fabrication