►► Don't know which bass trap to get and where to put it? Get the FREE Complete Guide to Bass Traps → https://www.acousticsinsider.com/bass-trap-guide/ Learn how to build your own professional-looking broadband bass trap that works down to 40Hz and a diffusor front that keeps your high-end lively: → https://www.acousticsinsider.com/bbt-aph-bundle When you go shopping for insulation material for your bass traps, it usually comes in these big rolls or packs, sealed in plastic. It’s a pretty convenient package! Why not just leave them as they are and stack them up in the corners? That will also keep any fibers from flying around and any handling to a minimum. But does it affect bass absorption because the material is compressed? Does it maybe even improve things…? Maybe cutting holes in the plastic is the way to go..? Related blog post on Acoustics Insider: https://www.acousticsinsider.com/blog/bass-traps-insulation-roll-sealed-in-plastic-wrap Resources in this video: http://www.acousticmodelling.com/8layers/porous.php Acoustics Insider on Social Media: https://www.youtube.com/AcousticsInsider