It might be a daft question to ask but I'm new to caravaning having just brought a 92 elddis xl. I need to do a small repair under the front box where it has split but I don't know if it is abs or fibreglass? Or can I use a fibreglass repair on either material?
Isopon P40 which is grp reinforced body filler is good for these sort of repairs & it will repair plastic. clean area with glasspaper to provide a key & if you can repair from inside it will look better.