Originally Posted by oldjack

Assuming the aforementioned lids are fibreglass, why don't fibreglass car bodies which are exposed to UV 24-7 all year round disintegrate then? I think the manufacturers recommendations are there to make them profits. The only thing wrong with my 1980 Griffin Clubman when I retrieved it from the loft was that the 3mm sponge backing of the lining had crumbled. I sold it to HiStar Classics.