Understanding Paint Coverage
Accurate paint coverage calculations ensure proper material ordering and optimal finish quality.
- Coverage Rates Flat: 350-400 ft²/gal. Eggshell: 350-400 ft²/gal. Satin: 350-400 ft²/gal. Semi-gloss: 300-350 ft²/gal. Gloss: 300-350 ft²/gal.
- Surface Factors New drywall: -20% coverage. Textured: -30%. Dark colors: extra coat. Porous surfaces: primer required. Ceiling: 10% extra for overlap.
- Application Methods Brush: 300-350 ft²/gal. Roller: 350-400 ft²/gal. Spray: 150-200 ft²/gal. Backroll after spray. Multiple thin coats preferred.
- Quality Standards Mil thickness: 4-6 wet, 1.5-2 dry. Hide rating: 0.98 minimum. Opacity: 96-98%. Touch-up ability: matches within 2 Delta E.
Application Guide
Surface Preparation
Clean thoroughly. Patch holes. Sand smooth. Prime bare spots. Temperature: 50-85°F. Humidity: <85%. Wait 24hrs after cleaning.
Color Considerations
LRV affects coverage. Deep base: 3 coats typical. Metallic: 20% less coverage. Pearl/iridescent: spray preferred. Test sample area first.
Cost Factors
Paint: $25-50/gal premium. Primer: $20-30/gal. Supplies: $50-100/room. Labor: $2-4/ft². Multiple coats: add 75% per coat.
Maintenance Tips
Clean walls annually. Touch up scuffs promptly. Keep extra paint. Document color codes. Repaint: 5-7 years interior, 5-10 exterior.
Paint Selection Guide
Latex Paint
Versatile and easy to clean.
Oil-Based
Durable and moisture resistant.
Acrylic
Fast-drying and flexible.
Epoxy
High durability for specific uses.
Surface Preparation
- Cleaning Remove dirt and debris.
- Repairs Fix surface imperfections.
- Priming When and why to prime.
- Sanding Smooth surface preparation.
Application Tips
- Tools Choose appropriate equipment.
- Technique Proper application methods.
- Weather Ideal painting conditions.
- Safety Proper ventilation and PPE.