Thanks again Roy, had a look at your FAQ section and believe I understand well enough even though the pictures in "Simons" catalogue arn't particularly clear! I will make some from galvernized sheeting at the weekend. Tel
I would force the split open slightly and fill the gap with a 2 pack epoxy - Araldite or similar - and wait for it to set and then finish with a filler designed for plastic bumpers, these fillers have good adhesion and are flexible.Good Luckjohn