Beams were all primed and sanded, then ready for paint:
After painting (three coats) and a hi-vis non-skid area (two coats international orange):
Getting ready to paint the beam tops:
Masking off for non-skid:
The can of wood putty you see has been serving as my standard corner-radius template for all non-skid area work. I didn't think it was necessary to non-skid the entire top of the beam, just the area you see.
I even painted the access plate covers:
Had a few runs here and there, but all in all the beam paint job(s) turned out reasonable decent.