Getting Rid of Moss and Algae on Concrete?
There is a positive to painting over concrete. Many people do it in their basements. Painting over it works as a sealant, as water (any moisture) can soak into concrete therefore leaving it open to algea or mold growth. Please dont be so quick to judge something...
Getting Rid of Moss and Algae on Concrete?
Im sorry.... I didnt mean you should just paint OVER the algae. Properly clean it first then paint for further prevention