This video from oorail.com demonstrates how to weather a Hornby Inter-City 125 HST in BR Blue/Grey livery using weathering powders. This is part 2 of the HST Restoration / Enhancement series of tutorials. This video shows you how to prep, apply and layer weathering powders. The weathering powders are then later sealed using a clear matt spray varnish. The products used in this video are AIM weathering powders in Grimy Black and Medium Earth, and Testors Dullcote Matt varnish. These were used…