Bricks, Masonry, Asphalt and Concrete - Moss removal from concrete

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nancyjoya
04-13-04, 03:50 PM
I would like to know if anyone has a good solution for removing moss from concrete; it is growing quite thick on the back of my house on the foundation wall. There are no plants in the area. Is a bleach solution a good option? I have heard of a product called Spray and Forget that can also be applied to the roof (which also has moss) and is biodegradable (contains benzolium chloride??). I would appreciate any help---Thanks! : )

chfite
04-13-04, 04:49 PM
Moss and mildew on the concrete foundation respond well to a solution of bleach 25% in water with some Tide. Spray it on, let it sit for 5 minutes, hose it off. Repeat as needed to remove heavy accumulations. Scrub as needed. The treatment for the roof is different, being intended to be left to dry.

I would use the stronger bleach solution on the house where it can be rinsed off and nearby plants rinsed as well. Clean the surface annually for best results.

Hope this helps.
joed
04-13-04, 05:04 PM
Pressure washer will blast it off easily.