... . The issue you are experiencing with mdf seems to me to relate more to the baseboard design and construction than the material used. The thicker and more solid that the baseboard material is, then generally the quiter it will be too. Well that's my experience and others could equally claim differing opinions on that issue. Some modellers say that the use of specific glues for attaching the roadbed to the baseboards will make a difference in sound drumming but I'm not convinced. It could be true. Back to track laying... 1137_150032_560000000.jpg Last edited on 15 May 2017 05:59 by Rick posted: 15 May 2017 12:24 from: Nigel Brown Hi Rick Thanks for the reply. I'll ditch the foamboard idea! I used cork on top of ply on my one-time American HO layout and found it quite loud, although I was using PVA and it's possible a more flexible glue would have been quieter. Currently I'm using MDF on a framework of 6mm 4" deep ply sides and 12mm ends, with a few 6mm cross-pieces ...