DYNOSKIN sound deadening has a total weight of 0., 5 pounds/1 square feet. This weight ensures optimum efficiency and sound insulation that could be possibly gained from 80 mil thickness material. Noico 80 mil is full weighted automotive sound deadener! Vibro-dampening layer is a composition of butyl and different improvers. These compounds have to be used in correct proportions so the maximum soundproofing efficiency is achieved. The optimal weight of 80 mil material is minimum 0.7 lbs/1 sqft. Different weight of material may affect the physical properties that way decreasing the... It is user-friendly viable material suitable for DIY installation. Dynoskin 80 mil Car Sound Deadening Mat, Butyl Automotive Sound Deadener, Audio Noise Insulation and dampening 18 SqFt Buy In Bulk Sound Deadening Felt For Car Nonwoven Fabric Soundproofing Black 80mil 18 sqft Car Sound Deadening Mat, Automotive Sound Deadener, Self Adhesive Butyl Car Sound Deadening Material, Audio Noise Insulation and Dampening Sheets. ULTIMATE QUALITY: Black 80 mil is superior quality sound deadening insulation material DYNOSKIN is really efficient and easy-to-install The thicker the material the more performance you get The special embossing on the foil must be rolled out till it is plain smooth, then you'll be 100% sure that the soundproofing is set correctly and professionally. Other Electronics - Noico 80 mil 36 sqft car Sound deadening mat, butyl automotive Sound Deadener, audio Noise Insulatio was sold for 2,231.00 on 18 Jul at 00:04 by NearAndFar in Outside South Africa (ID:309981096 The sound dampening material comes in handy size sheets which make it easier in terms of cutting and installation process , Thickness 80 mil/ 0., 08 inches/ 2mm, Coverage area - 18 ft², Number of Boxes – 1, Number of sheets in each box - 19, Each sheet size - 7., 6 x 10., 0 inches.