Some tips I found useful below. Please get in touch if you would like to share any of your own tips.
Using expert tools – or even making your own!
Files on Foam
Different files for different stages of the process.
Filler on Foam
Water-based filler used to give initial surface finish.
Sanding Filler on Foam
Using the right grade of sandpaper for best results.
Specialist glues and things to avoid.
Dust and VOCs
Basic but essential health and safety advice – at low cost.