Paint Brush - How to Paint a Room - The 7 Tools You Need - Bob Vila
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While rollers are great for covering large wall spaces, brushes are ideal for smaller areas and for edging. Natural-bristle brushes are used for applying oil-based paints, while polyester brushes are best for latex paints. Choose an angled brush to make it easy to paint straight lines along areas of trim. Flat-headed brushes are best for filling in larger, even spaces.