Our barn roof is Onduline, a/k/a Onadine, an asphalt composition (organic fiber is embedded and the material is pressed so it is corrugated, looking like a corrugated steel roof). The coating is almost off and I want to get some more use from the roof. It is steep so it

How do I repaint an exterior metal door which has been painted red and now is scratched up by a dog? The door was primed white and is metal. It was painted red, and the dog scratched the paint terribly. So now it looks like red and white below the

Is it necessary to prime masonite siding before painting? The siding has been painted before.