How do I clean outdoor mold?
by
Linda Kerr
+3
Mold gathers over the summer on the roof of our carport. I pressure wash but it does not all come off. I hear there is a solution that includes chlorine bleach but not sure of actual components or quantities
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Hi Linda, sorry you have mold on your carport roof. Hope this will help you. cleaning with bleach? | Cleaning Your Metal Roof | Archive ...
Our galvalume roof has been up for 21 months and is covered with mold/mildew. I've been able to pressure wash from the ground, but, due to the slippery nature ...
There are a couple things we use up here in the PNW for roofs, Moss Out being the most popular..... comes in a shaker can and also comes in a liquid form in a hose attachment bottle. There is also Wet n Forget which I haven't used but is more expensive, but I here it works good.
Chlorine bleach will reduce the appearance of mold but it will not kill the mold spores. White cleaning vinegar will kill the mold spores.
Use a product "wet & forget outdoor" to inhibit the future growth of mold.
Do you mean the ceiling of your carport or the actual roof?