Hi
I have some serious imperfections in my mould which will need filled.

Using Gelcoat and wax works fine in small areas but I wondered if there was some other type of filler more suitable for larger surface imperfections - like a car body filler?

I would be using the mould to make a part to make another decent mould from (I know!!)

Thanks

Thanks - that had occurred to me because it will be much easier to sand off raised imperfections from the part rather than trying to infill the mould - so I think I will try to improve the mould a bit using gel coat and wax to ensure the part won’t have release issues then put the work into the new part to get a good ‘new’ mould.