Why Proper Cleaning Matters

A quality paint brush costs $20–30 and can last for 10+ years if cleaned and stored correctly. The same brush cleaned poorly is ruined after one or two uses — the bristles splay, harden, and lose their shape.

The rule is simple: clean your brush the same day you use it. Paint that’s allowed to dry in the bristles is nearly impossible to fully remove. This applies whether you have been cutting in ceilings or painting an entire room.

The Brush Care Kit

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A $30 brush survives 5+ projects if you clean it right. Skip these tools and you'll be replacing brushes every season.

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Cleaning Latex (Water-Based) Paint

Latex paint is easy to clean — water is your solvent.

Remove Excess Paint First

Don’t wash all the paint down the drain — it clogs pipes over time. Instead, scrape excess paint back into the can using the edge of the can. Wipe the brush on newspaper to remove more.

Rinse Under Running Water

Hold the brush under a running faucet and work the bristles with your fingers. You’ll see paint flowing out. Work from the heel (where bristles meet the handle) outward to the tips.

Work in Soap and Rinse

Apply dish soap to the bristles and work into a lather. Use a brush comb (a $5 tool that’s worth every penny) to separate the bristles and remove paint from the heel. Rinse thoroughly — no soap residue.

Final Rinse and Reshape

Rinse until the water runs clear. Shake out excess water, then reshape the bristles to their original form with your fingers. The bristles should lay flat and taper to a clean edge.

Dry and Store

Never store a brush standing on its bristles — this bends and ruins them. Either hang the brush or lay it flat. The original cardboard sleeve can be slipped back on to hold the shape while drying.

Cleaning Oil-Based Paint

Oil paint requires mineral spirits or paint thinner — water won’t work.

Remove Excess Paint

Scrape and wipe excess paint back into the can as much as possible.

Swirl in Mineral Spirits

Pour mineral spirits (paint thinner) into a small jar or container. Swirl the brush in the solvent, working the bristles to dissolve the paint. The solvent will turn cloudy and colored. Pour it into a separate container (do NOT pour down the drain — it’s hazardous waste).

Repeat with Fresh Solvent

Use a second, clean container of mineral spirits to do a final clean rinse. The solvent should come out mostly clear.

Wash with Soap and Water

After solvent cleaning, wash the brush with dish soap and warm water to remove the mineral spirits. Rinse thoroughly.

Reshape and Store

Reshape and allow to dry completely before storing. Mineral spirits take longer to fully evaporate from bristles than water.

Safety Warning

Used mineral spirits and oil-based solvents must be disposed of as hazardous waste — never pour down the drain. Allow the solid particles to settle, carefully pour off the clear solvent into a new container for reuse, and take the remaining sludge to a hazardous waste facility.

Cleaning Paint Rollers

Roller covers are cheap enough that many painters simply discard them after a project. But a quality 1/2” nap roller can be cleaned and reused.

Scrape excess paint off the roller cover back into the tray using a 5-in-1 tool
Fill a bucket with soapy water
Spin the roller cover in the bucket, working paint out of the nap
Repeat with clean water until water runs clear
Stand roller cover upright or hang to dry — don’t leave flat or it develops a flat spot

Reviving Dried Brushes

If you forgot to clean a brush and the paint has hardened, not all hope is lost.

For latex paint: Soak in undiluted white vinegar for 1–2 hours, then work the bristles with a brush comb. Works surprisingly well on partially hardened paint.

For oil paint: Soak in commercial brush restorer (such as Motsenbocker’s Lift Off) for several hours to overnight. Work bristles, rinse with mineral spirits, then soap and water.

For fully rock-hard brushes: These are probably beyond saving. But if the brush is expensive, try lacquer thinner — it’s the most aggressive solvent and can sometimes soften even cured alkyd paint.

Pro Tip

If you’re taking a break mid-project (not cleaning for the day, just stopping for lunch), wrap the brush tightly in plastic wrap or a plastic bag. This keeps it workable for several hours without cleaning. For a full list of supplies to keep on hand, see our essential painting tools checklist.

Storing Clean Brushes

Store in the original cardboard sleeve or make one from folded cardboard
Never store a clean brush standing bristle-down
For long-term storage, wrap clean, dry brushes in the original paper sleeve
A good brush hanging on a hook in a dry location will last indefinitely

How to Clean Paint Brushes and Rollers Properly

Tools & Materials Needed