Paint Types and Finishes — Which Do You Need?
Choosing the right paint finish is as important as the color. The sheen level affects durability, washability, and how imperfections appear on your walls. Here's the complete guide.
NWFA Certified · 15 years installation
Dan has installed flooring, tile, and drywall in over 1,200 homes. He shares practical installation tips and helps homeowners buy the right amount of material.
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Paint sheen comparison
| Sheen level | LRV (gloss) | Washability | Hides imperfections | Best for |
|---|---|---|---|---|
| Flat / Matte | 0–5% | Poor | Excellent | Ceilings, low-traffic rooms |
| Eggshell | 5–20% | Good | Good | Living rooms, bedrooms |
| Satin | 25–35% | Very good | Moderate | Hallways, family rooms, kids’ rooms |
| Semi-gloss | 50–65% | Excellent | Poor | Kitchens, baths, trim, cabinets |
| Gloss | 70–90% | Excellent | Very poor | Trim, doors, furniture |
Higher sheen = more durable and washable, but shows surface flaws more.
Room-by-room recommendations
| Room | Best wall finish | Best trim finish |
|---|---|---|
| Living room | Eggshell | Semi-gloss |
| Bedroom | Flat or eggshell | Semi-gloss |
| Kitchen | Satin or semi-gloss | Semi-gloss |
| Bathroom | Satin or semi-gloss | Semi-gloss |
| Hallway | Satin | Semi-gloss |
| Ceiling | Flat ceiling white | N/A |
| Garage | Eggshell or satin | Semi-gloss |
Latex vs. oil-based paint
| Feature | Latex (water-based) | Oil-based |
|---|---|---|
| Dry time | 1–2 hours | 8–24 hours |
| Cleanup | Soap and water | Mineral spirits |
| Odor | Low | Strong |
| Durability | Good | Excellent |
| Flexibility | Good (won’t crack) | Moderate |
| Best for | Walls, ceilings, interior | Trim, doors, metal, high wear |
Interior vs. exterior paint
Interior paint is formulated to resist scrubbing, stains, and normal household wear. It is not UV-stable.
Exterior paint contains UV inhibitors, mildewcides, and binders that remain flexible through temperature changes. Never use interior paint outside.
How many coats do I need?
| Situation | Coats needed |
|---|---|
| Same color or similar | 1–2 coats |
| Dark to light color | 2–3 coats (or use primer) |
| Light to dark color | 2 coats |
| New drywall | 1 primer + 2 paint coats |
| Over stains or damage | 1 stain-blocking primer + 2 paint |
Use the Paint Calculator to estimate total gallons for all coats.
Frequently Asked Questions
What is the difference between flat and eggshell paint?
Flat paint has no sheen and hides surface imperfections well, but is hard to clean. Eggshell has a slight sheen (5–10%), is more washable, and is the most popular choice for living rooms and bedrooms.
What sheen is best for kitchen and bathroom walls?
Satin or semi-gloss are best for kitchens and bathrooms. Both resist moisture and can be wiped clean. Semi-gloss is more durable and is often used for tile-like surfaces near sinks and stoves.
Should I use latex or oil-based paint?
Latex (water-based) paint is best for most interior walls — it dries quickly, cleans up with water, and has low odor. Oil-based paint offers superior hardness for trim, doors, and high-wear surfaces but takes longer to dry and requires mineral spirits for cleanup.
Do I need primer before painting?
Primer is needed when painting over dark colors, bare drywall, stains, or a significantly different color. "Paint + primer in one" products reduce but don't eliminate the need for a separate primer coat on difficult surfaces.
How many gallons do I need to paint a room?
One gallon covers 350–400 sq ft per coat. Add up all wall areas and divide by 350 for a two-coat job. Use the Paint Calculator to enter room dimensions for an accurate estimate including doors and windows.
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