Originally Posted by nealtrombley
it was all black before I coated it in Jan...some say you can leave it black and spray 303 or some rubber additive on it....this is 100% mildew and I will have to live with it..or bleach it...I agree a Mildew additive needs to be put in to the mix next time..??
also agree the roof is tight and dry no leaks...that is the biggest thing..I am just a clean freak and hate seeing a NEW nasty looking roof......
OK, so your roof was black before you coated it, recoating made it white again, and now mildew has grown on it in some spots if I understand correctly. You are right, no one will ever see it unless they are on their roof looking down! So It appears no worries