Q. I am repainting a roof which was treated with Cromasol 10 years ago – will the surface need priming? A Q. I am repainting a roof which was treated with Cromasol 10 years ago – will the surface need priming? A. No – so long as there are no leaks and it is free of moss and mould. Cromar2020-03-18T16:34:13+00:00 Share This Product. FacebookXWhatsAppEmail
