My only "documentation" is seeing first hand what it did to my Ford Super duty The fluid film in a full strength application did not agree with the factory undercoat at all. It almost appeared melted in some places and began peeling when the weather warmed up leaving pockets for water to lay...
Just throwing this out there but fluid film by itself will degrade rubberized undercoating due to the chemical interaction of the lanolin in the fluid film. Being from NE PA where it snows in feet and the water splashing off the road will burn your eyes and your skin there is a product made by...
