Home » QAQuestion: What Are Foam Brushes Best Used For?ContentsHow do you paint with a sponge brush?What do you use foam brushes for?Do foam brushes leave streaks?Can you use foam brushes with oil-based paint?How do you paint with a sponge brush?.What do you use foam brushes for?Do foam brushes leave streaks?Can you use foam brushes with oil-based paint?