The first step in cleaning the oil paint is to remove the paint from its frame. Make sure the frame is in soft soil to prevent damage. Once the frame is closed use a vacuum to clean the lines where the paint comes in contact with the wood stove. Be careful not to touch the paint.
The next step is to remove the mildew. Using a cotton ball and Sodium Hydrochloride cleaner, gently apply the affected area. Before continuing, check with the cotton ball to make sure the paint does not come out. Once the area is cleaned, immediately wipe the clean surface with a wet sponge. Make sure that you have access to all cleaning agents.
To trim a small amount of dirt and grime, use half sliced onions. The potency can be increased by the addition of lemon drops. Do not allow the onion mixture to dry on the paint. Wipe with a wet sponge. If the stain is still sticky, go up to clean the lemon cleaner. A soft sponge should be used for hot water. Use as little water as possible. After cleaning, wipe all cleaning equipment.
At high levels of toxicity and the use of Sodium Carbonate. Pressure will need to be completed before applying the solution to the entire canvas. How to do this dissolve a small amount of Sodium Carbonate in hot water, then try to mix it in a corner of a cotton ball. Continue this process until this mixture removes the grime without removing the paint. After cleaning, wash Sodium Carbonate out of fresh water or it will leave white streaks.
If the paint is too dirty the above method does not do the job, the next step is to remove the varnish. What is needed to remove the varnish is methylated spirits, turpentine boiled with distilled oil, and various cotton balls. Use a cotton ball wrapped in methylated spirits to remove the varnish. It is important not to go too deep, just remove the varnish and paint it down. The method used to protect the paint on the floor is low after the varnish has been removed, use a new cotton ball wrapped in turpentine oil mixture to stop methylated spirits. Continue to check the cotton ball to make sure the paint does not run out. If the paint starts to come out using a turpentine oil mixture add the mixture.
After cleaning the paining it is important to repeat the varnish painting. The varnish can be gloss or matte and should be applied to the crisscross pattern with a varnish brush. Allow it to dry.