Updated 2018, Originally Posted 2009
We frequently get questions about edging, cutting in, and trim painting, so we wanted to share a simple, reliable solution: a short-handled, angled 2-inch brush made by Wooster. With this brush and a bit of practice, you can achieve straight, professional-looking lines without relying on painter’s tape.
Best Cutting In Brush Buying Options
Short-handled, angled brushes—sometimes called sash brushes—are widely available today. Our go-to remains the Wooster Shortcut, and we usually have two or three around the house. Many store brands offer similar options. What matters most is the combination of a short handle and a 2-inch angled head: that design gives superior control, steady lines, and less dripping than longer-handled or straight brushes.
Recommended options commonly found at big-box stores include: Wooster Shortcut (short 2″ angled brush), Valspar Wall & Trim Brush (angled), and Purdy XL Cub Sash Brush (angled, slightly higher-end). All of these are sensible choices for achieving clean, consistent results when cutting in around windows, doors, baseboards, and ceilings.
Why An Angled Sash Brush Is The Perfect Cutting In Tool
The short handle on a sash brush lets you grip the brush like a pencil, which improves precision and makes it easier to follow lines. The angled bristles create a refined point that helps you lay paint down smoothly along trim and ceilings without forming heavy, drippy puddles. That combination of control and shape reduces the need for painter’s tape and speeds up the entire painting process.
Because these brushes are so easy to manage, we use them for more than just cutting in. They’re great for painting trim, tight corners, and anywhere you need steady strokes and careful control. Once you get comfortable with a short-handled angled brush, your whole approach to painting feels more efficient and professional.
How To Edge A Room With A Short Angled Brush
Using the brush is straightforward. Start by loading a modest amount of paint—dip only the tip of the bristles and tap off any excess. Hold the brush like a pencil and begin with a steady stroke along the trim or line you want to follow. For horizontal edges, keep your hand steady and move along in smooth, even passes. For vertical edges, use the angled tip to guide the paint with short, controlled strokes. Practice on a scrap board or inconspicuous wall first to find the amount of paint and pressure that work best for you.
If you prefer visual instruction, watch a short demonstration video showing the brush in action to see how the angles and wrist position affect the cut-in line. Observing a few examples helps translate the techniques more quickly into confident results on your own walls.
The Big Mistake To Avoid When Cutting In
The most common mistake is loading too much paint on the brush. Excess paint causes globs, drips, and uneven build-up along your edge. To avoid that, wipe the brush on the rim of the can or a rag to remove surplus paint, and brush a little extra onto the wall or trim away from the cutting edge before you make your final pass. That approach may require a second coat for full coverage, but it prevents messy drips and gives a much cleaner final line.
Storing Your Paint Brush
Most sash brushes have polyester or synthetic bristles that clean easily with water when using latex paints. Between coats, keep the brush fresh by sealing it in a small resealable plastic bag. A snack-sized zipper bag works well: it prevents the bristles from drying out for hours or even a few days, saving cleanup time and preserving the brush shape.
More Painting Resources & How-Tos
If you need additional guidance for a full painting project, look for articles and tutorials that cover rolling techniques, room preparation, trim painting methods, and spray painting for trim or doors. Topics to consider researching include how to roll walls and ceilings efficiently, preparing a room for painting, brush techniques for trim and molding, and tips for using a paint sprayer on windows and doors. These resources can help you plan and complete a high-quality paint job with fewer mistakes and less frustration.
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