To make the copper all shiny again buff the awning with another soft dry cloth.
How to clean copper awning on house.
The main steps step 1.
An excellent cleaner for copper is chromic acid.
With a soft dry cloth apply this paste to the tarnished areas of the awning.
Give the copper awnings a light cleaning treatment with high density fabric.
Rinse the roof with buckets of distilled water.
Use buckets of distilled water to rinse off the rest of the roof.
Do some light cleaning with a cloth.
Chromic acid is not kiddy stuff.
Use a soft cloth to rub the paste on the surface of the copper.
Rinse the metal with water and dry it with a microfiber cloth.
Personally i would remove the copper part of your house and to take it too a company that is equipped for working with chromic acid.
If you don t have distilled water you can boil water from your tap.
Mix 1 4 salt 1 4 cup flour and enough vinegar to make a thick paste.
For lacquered copper if your copper has a shiny finish on it wipe the surface with a soft cloth dipped into a solution of water with a squirt of mild dish soap.
Distilled water does not contain the minerals that could discolor the patina or harm the copper in the roof.
Wait for fifteen minutes and rinse the awning with a lot of water using a garden hose or buckets of water.
10 seconds in this cold juice makes it look like new.
Follow with a dry cloth being sure to remove all water from the surface.
Once the dust and grime is removed rinse off the soap with a damp cloth.
Soak copper items in warm water with a small amount of gentle dish soap for about 10 minutes.
Mac value is 0 001 ppm.
Lemon juice salt create a paste with lemon juice lime or orange juice works too and salt at a 3 1 ratio respectively.
Most folks don t care about keeping the necessary equipment at hand.
Rub a small amount of paste on the soiled copper object with a clean cloth until you start to see the grime loosen up.
Vinegar flour and salt the first natural cleaner to answer the question of how do you clean copper uses that standby vinegar.
Wash the copper in warm soapy water.
Gather all the equipment.