[RODA]

Bernie,

Next time your in Melbourne go to Meridian Motor sport in Moorabbin.
They stock a product that is about 3mm thick , it has an outer layer of aluminum heat sheild then a layer of material in the middle that stops the heat transfer then a layer of glue. So you can just stick straight to what ever surface you want. It comes in a roll 900mm x 500mm. I have used it under floor and on some sections of the firewall.

Rod