Hello all from Hampshire, After lurking and dreaming for over a year, I finally have my own T4 '02 2.5Tdi 88 LWB Tailgate with 154k in white (the fastest colour !?) and I can realise some of the great ideas I've seen and add a few myself. We want to use the van as our main family car (we...

Afternoon all. Just a quick one, has anyone used polystyrene for the insulation ? 25mm on top and 50mm on the bottom ? Is Celotex or kingspan etc. really that much beter ? Just that I have some polystyrene left over from a job I've just finished. I'll be using flashing tape and foil bubble stuff...