Ox Off is an oxidation remover that is designed for multiple surfaces. Vinyl siding, Hardie Board, Metal, and more. This product will also combat things like fallout or soot on various surfaces. This is a very strong and concentrated cleaning chemical, it is important to follow directions and use proper protective equipment when using this product.
 
Directions for use:
 
first and foremost always do a test spot! This product will remove paint if the paint has failed or is mixed / used improperly. Apply with a pump sprayer to an even coat and allow to dwell 5-10 minutes, do not let product dry on surface - reapplying additional cleaner may be necessary to prevent drying. After initial dwell time apply a second coat for a second dwell time, then rinse from the surface. Agitation may be necessary on stubborn stains.
 
Suggested mixing ratios:
 
Light duty cleaning - 1:15 Moderate duty cleaning 1:10 Heavy duty cleaning 1:5
 
These ratios are just suggestions and you will need to evaluate the effectiveness of the chemical on your particular restoration project.