In the old days we used to rub candle wax into the seams, seemed to work well. I'd visit a local camping shop and see what they suggest. I don't know if Renovo's ultra roofer works on seams?? No doubt someone on here will know!
1969 4/4 1995 plus 8 1996 Plus 4 4seater 2002 Aero S1 2013 M3W 2014 Plus 8
