Breaking news finally a product that nocks Algae and moss back several years! Yip you guessed right after your roof has been cleaned with a high pressure cleaner and ALGAE KNOCKOUT has been applied you should experience several years of Algae free roof. I spoke to a client who noticed that more than three years has passed since the application and his roof looks like it’s been cleaned yesterday.
After much experimenting by a number of knowledgeable people it has been categorically found that ALGAE KNOCKOUT produces longer lasting results than