Foam Sealer?

[jabberwocky]

Hi everyone!
Been out for awhile............
Trying to get back into the swing.

I'm looking for suggestions for covering sculpted foam(pink) to give it a smooth paintable surface.
I'd like everyones different suggestions, from the cheap home remidies to the prostyle methods.
I'll be doing some different works that will that will stretch through the different ranges of importance which is why I'll need the different methods.
Thanks for all help.

[Mr_Chicken]

latex-based paint. cheap, easy.
:D

[jabberwocky]

HeeHee!
I probably should have been more specific.....
Something alittle thicker that could fill in minor imperfections and could be sanded.

[Mr_Chicken]

Ah, in that case, drywall joint compound, followed by latex-based paint. cheap, easy.
:D

[nixie]

I use foundation coating. It's a little pricey, but it's exterior grade, is made for foam, fills in gaps, dries hard, is sandable and paintable. I use it on all my foam props.

[jabberwocky]

nixie- Would that be the same as "ROOF and FOUNDATION COATING"?