Hi Fellas, Just noticed the confusion above. Thanks for the concern. All seems to be well with my spoiler at the moment. I did indeed use the Dinitrol kit from Banwy as it was what they recommended and after a bit of a cock-up with a bumper protector order they sent me the kit for free (thanks Banwy!). I just used the instructions that came with it, didn't realise there was the potential for it to be different as I wasn't sticking glass to bodywork, it just said apply primer to both surfaces, so that's what I did. Seems ok so far. Cheers.