I am new to Western Australia and in my house all the door frames are metal. Should I paint with oil based paint or water base paint.
Hello @garyp9877
Welcome to the Bunnings Workshop community. It's wonderful to have you join us and thanks for sharing your question about painting your metal door frames.
I suggest using the White Knight Rust Guard system (water-based) for your metal frames. It is designed to go on steel and can be tinted in a variety of colours.
Here are some excellent discussions regarding painting steel door frames:
Please remember to wear personal protection such as gloves, goggles and a mask when working on your project.
If you need further assistance, please let us know.
Eric