[1 / 1 / ?] 106KiB, 698x658, 1535917104943.jpg View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Soundproofing a door Anonymous Sat 15 Sep 2018 19:50:43 No.565434 View ViewReplyOriginalReport Quoted By: How much noise would be blocked just by installing triangle sound absorbing noise thingies all over the door (outside), without sealing its 4 sides (where air passes)?