Acoustic Mats, Underlayment felt,Underlayment mats Products:Acoustic Mats , Underlayment mats Feature: 1) Good Sound insulation and reducing impact and airborne noise2) PE Film backing for excellent moisture barrier3) Material : From recycle material, Such as clout, rag, wools and so on. 4) Eco-friendly Felt, no smell, no dust, no poisonous substances and no metalline stuff. 5) Packing in roll in ...