You can use your preferred tool for the paint job using this paint.
Best paint for metal bilco doors.
Simply knock off the loose rust and apply rust encap.
The paint does its best on interior doors.
Removing rust from a bilco basement door can be done in an afternoon.
Other bilco door models such as the classic series ship with a baked on coating of primer to guard against rust.
Many exterior cellar doors are horizontal like trap doors into your cellar crawl space or basement.
People who are confused about what color to paint bilco doors can use it.
A gallon of paint can cover a wooden or metal door without any hustle.
Bottom line the pewter color is pretty durable than white or off white color.
Many houses have a set of bilco doors that have been rusting away for years without any rust treatment.