Which tool is optimal for applying paint in tight spots around trim?

The optimal tool for applying paint in tight spots around trim is the 1 1/2-inch sash brush. This type of brush is specifically designed for precision work, particularly in areas where accurate application is necessary, such as along the edges of trim and near corners. Its shape and size allow painters to control the flow of paint effectively, making it easier to reach into tight spaces and avoid over-spraying onto adjacent surfaces.

Sash brushes are typically narrower than standard brushes, offering the advantage of being able to maneuver in confined areas while still delivering enough coverage. The firm bristles maintain their shape, providing a smooth finish without leaving heavy brush strokes, critical for achieving a professional appearance around detailed woodwork.

Other tools, such as a sponge brush, roller brush, or detail brush, may not provide the same level of control or fit within limited space as effectively as a sash brush. For example, sponge brushes tend to absorb more paint and may not provide the same precision, while roller brushes are generally better suited for larger, flat areas rather than intricate trim work. Even detail brushes, which are designed for smaller spaces, may lack the structural support and control that a sash brush provides for this particular application.