How to clean outdoor canvas umbrella. Fill up the can with water add clothes detergent and a cup of bleach if your canvas is color safe. Brush or vacuum off any loose dirt. While your canvas umbrella cover is still wet put it back on the frame place it in the stand and open it so it can air dry. Use a soft bristle brush to prevent driving the soil deeper into the fabric.
Wet the umbrella with a hose. Mix 14 cup liquid laundry detergent per gallon of lukewarm water. Open the umbrella and lay it on its side on the protective surface. Once the umbrella is soaked grab a stiff brush and a mild cleaner.
I am glad to replace an old faded umbrella. You can take the umbrella to a self serve car wash if you prefer but be sure to bring a bucket for the wet umbrella on the way home. Green scum on your patio umbrella could be caused by mildew mold algae or a combination of all three. If you dont have a hose you can pour clean water from a bucket.
This scum can discolor the umbrella as well as cause a nasty unwanted odor. Put the canvas back on the frame. Move the umbrella to a shady area away from direct sunlight. You may need someone to hold the umbrella in place to keep it from rolling off the protective surface.
Clean the umbrella frame. I am glad to replace an old faded umbrella. Setting up the umbrella is quick and simple. If it is very dirty or has mold on it use bathroom cleaner that contains bleach.
Cleaning canvas patio umbrella get a new or very clean trash can that is taller than half the height of your closed umbrella including the little piece of center post. Dont forget to wear gloves. It is best to use laundry detergent rather than dish soap. However over time the accumulation of dust pollution particles organic plant matter pollen and general dirt can embed itself into the fabric and shorten the life of it.