Is this the right tool for your job?
✕CHOOSE A DIFFERENT TOOL WHEN
- Latex and water-based paint — use the polyester MARS 80005 instead.
- Any line, edge, or small element — at 4″ it cannot cut in, follow a muntin, or touch up a spot; that’s the 1/2″ 80051’s end of the line.
- Fine finishes for close inspection — it’s a wide utility brush; a show-grade oil finish wants a narrower, higher-grade brush.
- All-day overhead or ceiling work — a loaded 4″ is heavy; for broad flat area, a roller is faster and easier on the wrist.
Jobs this tool does
EXACT JOB METHODS FOR RICHARD №80055✓ Job guideHow to Paint Exterior Siding and TrimOPEN JOB GUIDE →
For these jobs—use this instead
THE JOB, THE REASON, AND THE BETTER TOOL✕ Latex and water-based paintUse the polyester MARS 80005 instead. BETTER TOOL 4″ straight paint brush, UTILITY MARS 80005 →✕ Any line, edge, or small elementAt 4″ it cannot cut in, follow a muntin, or touch up a spot; that’s the 1/2″ 80051’s end of the line. BETTER TOOL 1/2” straight paint brush, UTILITY 80051 →
How the pros run it
01
Load generously but not to the heel
dip up to a third of the bristle and tap on the rim; a 4″ is meant to carry a big load, but paint driven into the heel still kills the brush. Two hands, always when charged: a fully loaded 4″ of natural bristle is heavy and fatiguing — steady the ferrule and let the brush’s width do the work rather than fighting it one-handed. Spread with the grain, then back-brush to level and key the coat. Keep the wet edge moving so a broad surface doesn’t lap. Clean thoroughly with the coating’s solvent — a wide brush holds a lot of paint deep in the fill, so rinse and work the heel until it runs clear, then reshape and wrap. Even a utility brush repays this: the heel is where brushes die.
