How to Paint a Room Like a Pro: Step-by-Step Guide
Professional painters charge $400–$800 per room. With the right technique, you can achieve the same results yourself for under $80 in supplies.
Supplies Checklist
- Interior paint (1 gallon covers ~400 sq ft)
- Primer (for new drywall or major color changes)
- 2.5-inch angled brush (for cutting in edges)
- 9-inch roller with 3/8\” nap cover
- Roller extension pole
- Painter\’s tape (Frog Tape is best)
- Drop cloths
- Putty knife and spackle (for patching holes)
Step 1: Prep the Room
Remove or cover furniture. Take down switch plates, outlet covers, and pictures. Fill all holes and dents with spackle, let dry, and sand smooth. Clean walls with a damp cloth to remove dust and grease. Apply painter\’s tape along trim, windows, and the ceiling line.
Step 2: Prime if Needed
Primer is necessary for: bare drywall, drastic color changes (dark to light), stain coverage, and glossy surfaces. Apply primer with a roller, let dry completely (2–4 hours), then lightly sand with 220-grit sandpaper.
Step 3: Cut In the Edges
Using your angled brush, \”cut in\” a 3-inch band of paint along all edges — ceiling line, baseboards, trim, and corners. Work in 3-foot sections. This creates crisp lines that rolling can\’t achieve.
Step 4: Roll the Walls
Load the roller, remove excess paint on the grid, and apply in a \”W\” or \”M\” pattern. Work top to bottom, overlapping each pass slightly. Maintain a wet edge to avoid lap marks. Apply two coats for best results — wait 2–4 hours between coats.
Step 5: Remove Tape and Clean Up
Remove painter\’s tape while the second coat is still slightly wet at a 45-degree angle. Let paint dry fully before replacing outlet covers. Rinse roller covers and brushes immediately with warm water (for latex paint).
Pro Tips
- Buy top-shelf paint — cheap paint needs more coats and covers less evenly
- Use a paint grid, not a tray — it\’s faster and wastes less
- Roll from dry area into wet — prevents lap marks
- Open windows for ventilation — VOC fumes can be strong