Using a broom and climbing up on a ladder if necessary remove all of the dirt or debris including leaves cobwebs and twigs from both sides of the awning.
How to clean a deck awning.
You can remove mildew by using a solution of 1 cup 250 ml of bleach and 4 quarts 4 liters of warm water.
Let it soak for a little while and then scrub the mildew stains with a brush with plenty of water.
Clean your awning whenever you see debris begin to build up or do a regular cleaning every few months.
Use your garden hose to wet your awnings completely before you start spraying the mildew remover.
How to clean renew and seal a wood deck in one day duration.
Mix the solution until it s visibly foamy.
Remove debris step 2.
Make sure to rinse well and leave your awnings unrolled in the sun until completely dry.
Years of stains from algae mold and mildew will rinse away.
Simply spray on 30 seconds outdoor cleaner wait a bit then hose off.
If your canvas awnings are colored use color safe bleach.
Fill a bucket with cool water and about 3 oz of laundry soap not detergent.
Make a cleaning solution step 3.
Scrub awnings step 4.
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Avoid using chlorine bleach as this can damage the canvas fabric.