Can I paint masonite?

I just bought from Lowe's Hardware a 4'x8' panel, cut into 4 2x4 panels. I want to create 4 large landscape paintings. I painted 3 coats of white flat latex house paint on the panels, and I've noticed warping already. Should I brace it with wood? Or...

On my pallet i left oil paint sitting there for a while and i can't get it off.. I know i can scrape it off with a pallet knife but it takes forever.. can i soak it in turpentine or something? i've gotten lazy with cleaning off the pallet and now the...

Have you ever painted a floor? I would really like to paint the 5'x12' masonite floor that I use for dance practice. Have you ever painted a similar surface? What kind of paint would you recommend? And what can you tell me about drying time? Thanks!

My technical director left gaps in the Masonite floor when he laid it down and is now trying to cover those seams with gaff tape before we paint the floor. However it seems as though the gaff tape comes up far too easily and I'm worried it will be a...

I was wondering if oil painting on canvas is the only surface you can paint on. Can you oil paint on a masonite board?

Can you paint over wallpaper glue/backing? And can you "seal" the paint? In the ongoing game of "I'll help you fix up your bathroom if you'll help me fix up mine" between a friend and I, wall surfaces have finally come to the fore...